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157410993 = 3193271867
BaseRepresentation
bin10010110000111…
…10011010110001
3101222012022021210
421120132122301
5310244122433
623341510333
73620654115
oct1130363261
9358168253
10157410993
1180944233
12448723a9
13267c51cc
1416c97745
15dc45463
hex961e6b1

157410993 has 8 divisors (see below), whose sum is σ = 210969568. Its totient is φ = 104396544.

The previous prime is 157410977. The next prime is 157411031. The reversal of 157410993 is 399014751.

It is a happy number.

157410993 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 not a de Polignac number, because 157410993 - 24 = 157410977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157410923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135355 + ... + 136512.

It is an arithmetic number, because the mean of its divisors is an integer number (26371196).

Almost surely, 2157410993 is an apocalyptic number.

It is an amenable number.

157410993 is a deficient number, since it is larger than the sum of its proper divisors (53558575).

157410993 is a wasteful number, since it uses less digits than its factorization.

157410993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272063.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 157410993 is about 12546.3537731087. The cubic root of 157410993 is about 539.9393999211.

The spelling of 157410993 in words is "one hundred fifty-seven million, four hundred ten thousand, nine hundred ninety-three".

Divisors: 1 3 193 579 271867 815601 52470331 157410993