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157135740 = 22357933151
BaseRepresentation
bin10010101110110…
…11001101111100
3101221200022201020
421113123031330
5310211320430
623331544140
73615426456
oct1127331574
9357608636
10157135740
1180776453
124475b050
1326729b38
1416c252d6
15dbddb10
hex95db37c

157135740 has 48 divisors (see below), whose sum is σ = 445562880. Its totient is φ = 41371200.

The previous prime is 157135721. The next prime is 157135753. The reversal of 157135740 is 47531751.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11836 + ... + 21315.

It is an arithmetic number, because the mean of its divisors is an integer number (9282560).

Almost surely, 2157135740 is an apocalyptic number.

157135740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157135740 is an abundant number, since it is smaller than the sum of its proper divisors (288427140).

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

157135740 is a wasteful number, since it uses less digits than its factorization.

157135740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33242 (or 33240 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 157135740 is about 12535.3795315499. The cubic root of 157135740 is about 539.6244988925.

The spelling of 157135740 in words is "one hundred fifty-seven million, one hundred thirty-five thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 79 158 237 316 395 474 790 948 1185 1580 2370 4740 33151 66302 99453 132604 165755 198906 331510 397812 497265 663020 994530 1989060 2618929 5237858 7856787 10475716 13094645 15713574 26189290 31427148 39283935 52378580 78567870 157135740