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163157227 = 1392115563
BaseRepresentation
bin10011011100110…
…01010011101011
3102101000020122021
421232121103223
5313232012402
624105005311
74020546022
oct1156312353
9371006567
10163157227
1184109492
1246783837
1327a5784c
14179518b9
15e4ccd37
hex9b994eb

163157227 has 8 divisors (see below), whose sum is σ = 165139520. Its totient is φ = 161186760.

The previous prime is 163157213. The next prime is 163157231. The reversal of 163157227 is 722751361.

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

It is a cyclic number.

It is not a de Polignac number, because 163157227 - 215 = 163124459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163157192 and 163157201.

It is not an unprimeable number, because it can be changed into a prime (163157297) 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, 26548 + ... + 32110.

It is an arithmetic number, because the mean of its divisors is an integer number (20642440).

Almost surely, 2163157227 is an apocalyptic number.

163157227 is a deficient number, since it is larger than the sum of its proper divisors (1982293).

163157227 is a wasteful number, since it uses less digits than its factorization.

163157227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5913.

The product of its digits is 17640, while the sum is 34.

The square root of 163157227 is about 12773.3013352070. The cubic root of 163157227 is about 546.4311369288.

The spelling of 163157227 in words is "one hundred sixty-three million, one hundred fifty-seven thousand, two hundred twenty-seven".

Divisors: 1 139 211 5563 29329 773257 1173793 163157227