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172107058 = 286053529
BaseRepresentation
bin10100100001000…
…10010100110010
3102222211221111111
422100202110302
5323024411213
625024503534
74156612564
oct1220422462
9388757444
10172107058
1189171642
124977abaa
132986c3c6
1418c01334
1510199a3d
hexa422532

172107058 has 4 divisors (see below), whose sum is σ = 258160590. Its totient is φ = 86053528.

The previous prime is 172107041. The next prime is 172107079. The reversal of 172107058 is 850701271.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 850701271 = 7121528753.

It can be written as a sum of positive squares in only one way, i.e., 158835609 + 13271449 = 12603^2 + 3643^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43026763 + ... + 43026766.

Almost surely, 2172107058 is an apocalyptic number.

172107058 is a deficient number, since it is larger than the sum of its proper divisors (86053532).

172107058 is an equidigital number, since it uses as much as digits as its factorization.

172107058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86053531.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 172107058 is about 13118.9579616675. The cubic root of 172107058 is about 556.2451367163.

The spelling of 172107058 in words is "one hundred seventy-two million, one hundred seven thousand, fifty-eight".

Divisors: 1 2 86053529 172107058