Search a number
-
+
172107368 = 2379726993
BaseRepresentation
bin10100100001000…
…10011001101000
3102222211221220222
422100202121220
5323024413433
625024505212
74156613516
oct1220423150
9388757828
10172107368
11891718a4
124977b208
132986c5a4
1418c014b6
1510199b98
hexa422668

172107368 has 16 divisors (see below), whose sum is σ = 323118180. Its totient is φ = 85942528.

The previous prime is 172107349. The next prime is 172107401. The reversal of 172107368 is 863701271.

It can be written as a sum of positive squares in 2 ways, for example, as 157803844 + 14303524 = 12562^2 + 3782^2 .

It is a super-2 number, since 2×1721073682 = 59241892239774848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7121 + ... + 19872.

Almost surely, 2172107368 is an apocalyptic number.

It is an amenable number.

172107368 is a deficient number, since it is larger than the sum of its proper divisors (151010812).

172107368 is a wasteful number, since it uses less digits than its factorization.

172107368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27796 (or 27792 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 172107368 is about 13118.9697766250. The cubic root of 172107368 is about 556.2454706865.

The spelling of 172107368 in words is "one hundred seventy-two million, one hundred seven thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 797 1594 3188 6376 26993 53986 107972 215944 21513421 43026842 86053684 172107368