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157000893 = 3753141061
BaseRepresentation
bin10010101101110…
…10010010111101
3101221102110201220
421112322102331
5310143012033
623325023553
73614325360
oct1126722275
9357373656
10157000893
1180694105
12446b4bb9
13266b064a
1416bcc0d7
15dbb3bb3
hex95ba4bd

157000893 has 16 divisors (see below), whose sum is σ = 243755136. Its totient is φ = 88021440.

The previous prime is 157000889. The next prime is 157000897. The reversal of 157000893 is 398000751.

It is an interprime number because it is at equal distance from previous prime (157000889) and next prime (157000897).

It is not a de Polignac number, because 157000893 - 22 = 157000889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157000897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69418 + ... + 71643.

It is an arithmetic number, because the mean of its divisors is an integer number (15234696).

Almost surely, 2157000893 is an apocalyptic number.

It is an amenable number.

157000893 is a deficient number, since it is larger than the sum of its proper divisors (86754243).

157000893 is a wasteful number, since it uses less digits than its factorization.

157000893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141124.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 157000893 is about 12529.9997206704. Note that the first 3 decimals coincide. The cubic root of 157000893 is about 539.4700940241.

The spelling of 157000893 in words is "one hundred fifty-seven million, eight hundred ninety-three", and thus it is an aban number.

Divisors: 1 3 7 21 53 159 371 1113 141061 423183 987427 2962281 7476233 22428699 52333631 157000893