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173088012 = 22314424001
BaseRepresentation
bin10100101000100…
…01110100001100
3110001200210010010
422110101310030
5323302304022
625101513220
74201136526
oct1224216414
9401623103
10173088012
1189781649
1249b72810
1329b23a56
1418db8a16
15102e050c
hexa511d0c

173088012 has 12 divisors (see below), whose sum is σ = 403872056. Its totient is φ = 57696000.

The previous prime is 173088007. The next prime is 173088059. The reversal of 173088012 is 210880371.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1730880122 = 59918919796224288, which contains 22 as substring.

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, 7211989 + ... + 7212012.

Almost surely, 2173088012 is an apocalyptic number.

173088012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

173088012 is an abundant number, since it is smaller than the sum of its proper divisors (230784044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

173088012 is a wasteful number, since it uses less digits than its factorization.

173088012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14424008 (or 14424006 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 173088012 is about 13156.2917267747. The cubic root of 173088012 is about 557.2999404164.

The spelling of 173088012 in words is "one hundred seventy-three million, eighty-eight thousand, twelve".

Divisors: 1 2 3 4 6 12 14424001 28848002 43272003 57696004 86544006 173088012