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133097040 = 24335431433
BaseRepresentation
bin1111110111011…
…10011001010000
3100021110000211000
413323232121100
5233033101130
621112422000
73204210006
oct773563120
9307400730
10133097040
116914785a
12386a7900
132176135b
1413968a76
15ba41260
hex7eee650

133097040 has 160 divisors (see below), whose sum is σ = 469434240. Its totient is φ = 34642944.

The previous prime is 133097039. The next prime is 133097047. The reversal of 133097040 is 40790331.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 133096995 and 133097013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133097047) 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, 92164 + ... + 93596.

It is an arithmetic number, because the mean of its divisors is an integer number (2933964).

Almost surely, 2133097040 is an apocalyptic number.

133097040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133097040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234717120).

133097040 is an abundant number, since it is smaller than the sum of its proper divisors (336337200).

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

133097040 is a wasteful number, since it uses less digits than its factorization.

133097040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498 (or 1486 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 133097040 is about 11536.7690451010. The cubic root of 133097040 is about 510.5709867925.

The spelling of 133097040 in words is "one hundred thirty-three million, ninety-seven thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 43 45 48 54 60 72 80 86 90 108 120 129 135 144 172 180 215 216 240 258 270 344 360 387 430 432 516 540 645 688 720 774 860 1032 1080 1161 1290 1433 1548 1720 1935 2064 2160 2322 2580 2866 3096 3440 3870 4299 4644 5160 5732 5805 6192 7165 7740 8598 9288 10320 11464 11610 12897 14330 15480 17196 18576 21495 22928 23220 25794 28660 30960 34392 38691 42990 46440 51588 57320 61619 64485 68784 77382 85980 92880 103176 114640 123238 128970 154764 171960 184857 193455 206352 246476 257940 308095 309528 343920 369714 386910 492952 515880 554571 616190 619056 739428 773820 924285 985904 1031760 1109142 1232380 1478856 1547640 1663713 1848570 2218284 2464760 2772855 2957712 3095280 3327426 3697140 4436568 4929520 5545710 6654852 7394280 8318565 8873136 11091420 13309704 14788560 16637130 22182840 26619408 33274260 44365680 66548520 133097040