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157170106 = 2306125673
BaseRepresentation
bin10010101111000…
…11100110111010
3101221202001212001
421113203212322
5310213420411
623332411214
73615631612
oct1127434672
9357661761
10157170106
118079a255
1244776b0a
132673c682
1416c33a42
15dbe8dc1
hex95e39ba

157170106 has 8 divisors (see below), whose sum is σ = 235841364. Its totient is φ = 78556320.

The previous prime is 157170089. The next prime is 157170107. The reversal of 157170106 is 601071751.

157170106 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 124211025 + 32959081 = 11145^2 + 5741^2 .

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

It is not an unprimeable number, because it can be changed into a prime (157170107) 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, 6715 + ... + 18958.

Almost surely, 2157170106 is an apocalyptic number.

157170106 is a deficient number, since it is larger than the sum of its proper divisors (78671258).

157170106 is a wasteful number, since it uses less digits than its factorization.

157170106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28736.

The product of its (nonzero) digits is 1470, while the sum is 28.

The square root of 157170106 is about 12536.7502168624. The cubic root of 157170106 is about 539.6638351245.

The spelling of 157170106 in words is "one hundred fifty-seven million, one hundred seventy thousand, one hundred six".

Divisors: 1 2 3061 6122 25673 51346 78585053 157170106