Search a number
-
+
172160132 = 22431000931
BaseRepresentation
bin10100100001011…
…11010010000100
3102222221122022012
422100233102010
5323033111012
625025553352
74160223404
oct1220572204
9388848265
10172160132
11891a8501
12497a5858
132988a601
1418c16804
15101aa622
hexa42f484

172160132 has 12 divisors (see below), whose sum is σ = 308287056. Its totient is φ = 84078120.

The previous prime is 172160123. The next prime is 172160179. The reversal of 172160132 is 231061271.

It is a super-2 number, since 2×1721601322 = 59278222100514848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 172160098 and 172160107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500294 + ... + 500637.

It is an arithmetic number, because the mean of its divisors is an integer number (25690588).

Almost surely, 2172160132 is an apocalyptic number.

It is an amenable number.

172160132 is a deficient number, since it is larger than the sum of its proper divisors (136126924).

172160132 is a wasteful number, since it uses less digits than its factorization.

172160132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000978 (or 1000976 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 172160132 is about 13120.9806035982. The cubic root of 172160132 is about 556.3023087281.

The spelling of 172160132 in words is "one hundred seventy-two million, one hundred sixty thousand, one hundred thirty-two".

Divisors: 1 2 4 43 86 172 1000931 2001862 4003724 43040033 86080066 172160132