Base | Representation |
---|---|
bin | 10100100110100… |
… | …10110111001000 |
3 | 110001012200101202 |
4 | 22103102313020 |
5 | 323221031102 |
6 | 25052203332 |
7 | 4166013665 |
oct | 1223226710 |
9 | 401180352 |
10 | 172830152 |
11 | 89615940 |
12 | 49a69548 |
13 | 29a63581 |
14 | 18d4ca6c |
15 | 1028de02 |
hex | a4d2dc8 |
172830152 has 32 divisors (see below), whose sum is σ = 354775680. Its totient is φ = 78279360.
The previous prime is 172830131. The next prime is 172830179. The reversal of 172830152 is 251038271.
It is a super-2 number, since 2×1728301522 = 59740522880686208, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22433 + ... + 29135.
It is an arithmetic number, because the mean of its divisors is an integer number (11086740).
Almost surely, 2172830152 is an apocalyptic number.
It is an amenable number.
172830152 is an abundant number, since it is smaller than the sum of its proper divisors (181945528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
172830152 is a wasteful number, since it uses less digits than its factorization.
172830152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7013 (or 7009 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 29.
The square root of 172830152 is about 13146.4882002761. The cubic root of 172830152 is about 557.0230547204.
The spelling of 172830152 in words is "one hundred seventy-two million, eight hundred thirty thousand, one hundred fifty-two".
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