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157027023 = 32101227761
BaseRepresentation
bin10010101110000…
…00101011001111
3101221110210120200
421113000223033
5310144331043
623325344543
73614464506
oct1127005317
9357423520
10157027023
11807017aa
1244708153
13266bc4ca
1416bd783d
15dbbb7d3
hex95c0acf

157027023 has 24 divisors (see below), whose sum is σ = 230373936. Its totient is φ = 103056000.

The previous prime is 157027019. The next prime is 157027033. The reversal of 157027023 is 320720751.

157027023 is a `hidden beast` number, since 1 + 570 + 2 + 70 + 23 = 666.

157027023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157027023 - 22 = 157027019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157027033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205963 + ... + 206723.

It is an arithmetic number, because the mean of its divisors is an integer number (9598914).

Almost surely, 2157027023 is an apocalyptic number.

157027023 is a deficient number, since it is larger than the sum of its proper divisors (73346913).

157027023 is a wasteful number, since it uses less digits than its factorization.

157027023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095 (or 1092 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 157027023 is about 12531.0423748386. The cubic root of 157027023 is about 539.5000207574.

Adding to 157027023 its reverse (320720751), we get a palindrome (477747774).

The spelling of 157027023 in words is "one hundred fifty-seven million, twenty-seven thousand, twenty-three".

Divisors: 1 3 9 101 227 303 681 761 909 2043 2283 6849 22927 68781 76861 172747 206343 230583 518241 691749 1554723 17447447 52342341 157027023