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122166352 = 247111719307
BaseRepresentation
bin1110100100000…
…01110001010000
322111212200201201
413102001301100
5222233310402
620042240544
73012253060
oct722016120
9274780651
10122166352
1162a61430
1234ab6154
131c404ca9
14123213a0
15aad2687
hex7481c50

122166352 has 160 divisors (see below), whose sum is σ = 329978880. Its totient is φ = 42301440.

The previous prime is 122166349. The next prime is 122166353. The reversal of 122166352 is 253661221.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 122166352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122166353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 397783 + ... + 398089.

It is an arithmetic number, because the mean of its divisors is an integer number (2062368).

Almost surely, 2122166352 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 122166352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164989440).

122166352 is an abundant number, since it is smaller than the sum of its proper divisors (207812528).

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

122166352 is a wasteful number, since it uses less digits than its factorization.

122166352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 363 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 122166352 is about 11052.8888531460. Note that the first 4 decimals coincide. The cubic root of 122166352 is about 496.1928880379.

The spelling of 122166352 in words is "one hundred twenty-two million, one hundred sixty-six thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 11 14 16 17 19 22 28 34 38 44 56 68 76 77 88 112 119 133 136 152 154 176 187 209 238 266 272 304 307 308 323 374 418 476 532 614 616 646 748 836 952 1064 1228 1232 1292 1309 1463 1496 1672 1904 2128 2149 2261 2456 2584 2618 2926 2992 3344 3377 3553 4298 4522 4912 5168 5219 5236 5833 5852 6754 7106 8596 9044 10438 10472 11666 11704 13508 14212 17192 18088 20876 20944 23332 23408 23639 24871 27016 28424 34384 36176 36533 40831 41752 46664 47278 49742 54032 56848 57409 64163 73066 81662 83504 93328 94556 99161 99484 114818 128326 146132 163324 189112 198322 198968 229636 256652 292264 326648 378224 396644 397936 401863 449141 459272 513304 584528 653296 694127 793288 803726 898282 918544 1026608 1090771 1388254 1586576 1607452 1796564 2181542 2776508 3214904 3593128 4363084 5553016 6429808 7186256 7635397 8726168 11106032 15270794 17452336 30541588 61083176 122166352