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146974128 = 2437379113
BaseRepresentation
bin10001100001010…
…10010110110000
3101020120001121020
420300222112300
5300111133003
622330055440
73433155000
oct1060522660
9336501536
10146974128
1175a65924
124127a580
13245ac852
141573c000
15cd82d53
hex8c2a5b0

146974128 has 160 divisors (see below), whose sum is σ = 452352000. Its totient is φ = 41094144.

The previous prime is 146974111. The next prime is 146974147. The reversal of 146974128 is 821479641.

It is a Harshad number since it is a multiple of its sum of digits (42).

Its product of digits (96768) is a multiple of the sum of its prime factors (224).

It is a self number, because there is not a number n which added to its sum of digits gives 146974128.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1300600 + ... + 1300712.

It is an arithmetic number, because the mean of its divisors is an integer number (2827200).

Almost surely, 2146974128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146974128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226176000).

146974128 is an abundant number, since it is smaller than the sum of its proper divisors (305377872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146974128 is a wasteful number, since it uses less digits than its factorization.

146974128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 204 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 146974128 is about 12123.2886627350. The cubic root of 146974128 is about 527.7322448655.

The spelling of 146974128 in words is "one hundred forty-six million, nine hundred seventy-four thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 49 56 79 84 98 112 113 147 158 168 196 226 237 294 316 336 339 343 392 452 474 553 588 632 678 686 784 791 904 948 1029 1106 1176 1264 1356 1372 1582 1659 1808 1896 2058 2212 2352 2373 2712 2744 3164 3318 3792 3871 4116 4424 4746 5424 5488 5537 6328 6636 7742 8232 8848 8927 9492 11074 11613 12656 13272 15484 16464 16611 17854 18984 22148 23226 26544 26781 27097 30968 33222 35708 37968 38759 44296 46452 53562 54194 61936 62489 66444 71416 77518 81291 88592 92904 107124 108388 116277 124978 132888 142832 155036 162582 185808 187467 214248 216776 232554 249956 265776 310072 325164 374934 428496 433552 437423 465108 499912 620144 650328 749868 874846 930216 999824 1300656 1312269 1499736 1749692 1860432 2624538 2999472 3061961 3499384 5249076 6123922 6998768 9185883 10498152 12247844 18371766 20996304 24495688 36743532 48991376 73487064 146974128