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157344190 = 2515734419
BaseRepresentation
bin10010110000011…
…10000110111110
3101222001220122121
421120032012332
5310240003230
623340233154
73620255263
oct1130160676
9358056577
10157344190
11808a9023
124483b7ba
13267a0993
1416c7b26a
15dc3077a
hex960e1be

157344190 has 8 divisors (see below), whose sum is σ = 283219560. Its totient is φ = 62937672.

The previous prime is 157344167. The next prime is 157344191. The reversal of 157344190 is 91443751.

157344190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1573441902 = 49514388253512200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157344191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7867200 + ... + 7867219.

It is an arithmetic number, because the mean of its divisors is an integer number (35402445).

Almost surely, 2157344190 is an apocalyptic number.

157344190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157344190 is a deficient number, since it is larger than the sum of its proper divisors (125875370).

157344190 is a wasteful number, since it uses less digits than its factorization.

157344190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15734426.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 157344190 is about 12543.6912430114. The cubic root of 157344190 is about 539.8630082310.

The spelling of 157344190 in words is "one hundred fifty-seven million, three hundred forty-four thousand, one hundred ninety".

Divisors: 1 2 5 10 15734419 31468838 78672095 157344190