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172039054 = 2118299433
BaseRepresentation
bin10100100000100…
…01101110001110
3102222201111012211
422100101232032
5323020222204
625023221034
74156210405
oct1220215616
9388644184
10172039054
1189125540
124974777a
1329847475
1418bc463c
1510184804
hexa411b8e

172039054 has 16 divisors (see below), whose sum is σ = 281887920. Its totient is φ = 78096960.

The previous prime is 172039051. The next prime is 172039067. The reversal of 172039054 is 450930271.

It is a super-2 number, since 2×1720390542 = 59194872202429832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172039051) 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, 13522 + ... + 22954.

It is an arithmetic number, because the mean of its divisors is an integer number (17617995).

Almost surely, 2172039054 is an apocalyptic number.

172039054 is a deficient number, since it is larger than the sum of its proper divisors (109848866).

172039054 is a wasteful number, since it uses less digits than its factorization.

172039054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10275.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 172039054 is about 13116.3658838872. The cubic root of 172039054 is about 556.1718647309.

The spelling of 172039054 in words is "one hundred seventy-two million, thirty-nine thousand, fifty-four".

Divisors: 1 2 11 22 829 1658 9119 9433 18238 18866 103763 207526 7819957 15639914 86019527 172039054