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157193950 = 2526151539
BaseRepresentation
bin10010101111010…
…01011011011110
3101221210021120011
421113221123132
5310220201300
623333113434
73616061254
oct1127513336
9357707504
10157193950
1180806161
124478887a
132674a494
1416c3c5d4
15dc00eba
hex95e96de

157193950 has 24 divisors (see below), whose sum is σ = 297179640. Its totient is φ = 61845600.

The previous prime is 157193947. The next prime is 157193977. The reversal of 157193950 is 59391751.

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 11 ways as a sum of consecutive naturals, for example, 22720 + ... + 28819.

It is an arithmetic number, because the mean of its divisors is an integer number (12382485).

Almost surely, 2157193950 is an apocalyptic number.

157193950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157193950 is a deficient number, since it is larger than the sum of its proper divisors (139985690).

157193950 is a wasteful number, since it uses less digits than its factorization.

157193950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51612 (or 51607 counting only the distinct ones).

The product of its (nonzero) digits is 42525, while the sum is 40.

The square root of 157193950 is about 12537.7011449468. The cubic root of 157193950 is about 539.6911242279.

The spelling of 157193950 in words is "one hundred fifty-seven million, one hundred ninety-three thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 61 122 305 610 1525 3050 51539 103078 257695 515390 1288475 2576950 3143879 6287758 15719395 31438790 78596975 157193950