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157290336 = 253478669
BaseRepresentation
bin10010110000000…
…00111101100000
3101221222011210000
421120000331200
5310231242321
623335140000
73616642260
oct1130007540
9357864700
10157290336
1180871615
1244814600
1326782308
1416c657a0
15dc1e826
hex9600f60

157290336 has 120 divisors (see below), whose sum is σ = 528731280. Its totient is φ = 44934912.

The previous prime is 157290313. The next prime is 157290359. The reversal of 157290336 is 633092751.

157290336 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (157290313) and next prime (157290359).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 157290336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13810 + ... + 22478.

It is an arithmetic number, because the mean of its divisors is an integer number (4406094).

Almost surely, 2157290336 is an apocalyptic number.

157290336 is a gapful number since it is divisible by the number (16) 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 157290336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264365640).

157290336 is an abundant number, since it is smaller than the sum of its proper divisors (371440944).

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

157290336 is an equidigital number, since it uses as much as digits as its factorization.

157290336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8698 (or 8681 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 157290336 is about 12541.5444025048. The cubic root of 157290336 is about 539.8014084560.

The spelling of 157290336 in words is "one hundred fifty-seven million, two hundred ninety thousand, three hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 81 84 96 108 112 126 144 162 168 189 216 224 252 288 324 336 378 432 504 567 648 672 756 864 1008 1134 1296 1512 2016 2268 2592 3024 4536 6048 8669 9072 17338 18144 26007 34676 52014 60683 69352 78021 104028 121366 138704 156042 182049 208056 234063 242732 277408 312084 364098 416112 468126 485464 546147 624168 702189 728196 832224 936252 970928 1092294 1248336 1404378 1456392 1638441 1872504 1941856 2184588 2496672 2808756 2912784 3276882 3745008 4369176 4915323 5617512 5825568 6553764 7490016 8738352 9830646 11235024 13107528 17476704 19661292 22470048 26215056 39322584 52430112 78645168 157290336