Base | Representation |
---|---|
bin | 1100111010100… |
… | …1110011100110 |
3 | 10202221021020210 |
4 | 3032221303212 |
5 | 102332013102 |
6 | 5213040250 |
7 | 1225314330 |
oct | 316516346 |
9 | 122837223 |
10 | 54172902 |
11 | 286409a3 |
12 | 16186086 |
13 | b2b9894 |
14 | 72a2450 |
15 | 4b5136c |
hex | 33a9ce6 |
54172902 has 16 divisors (see below), whose sum is σ = 123823872. Its totient is φ = 15477960.
The previous prime is 54172901. The next prime is 54172919. The reversal of 54172902 is 20927145.
It is a super-2 number, since 2×541729022 = 5869406622203208, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 54172902.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54172901) 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, 644874 + ... + 644957.
It is an arithmetic number, because the mean of its divisors is an integer number (7738992).
Almost surely, 254172902 is an apocalyptic number.
54172902 is an abundant number, since it is smaller than the sum of its proper divisors (69650970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54172902 is a wasteful number, since it uses less digits than its factorization.
54172902 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1289843.
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 54172902 is about 7360.2243172338. The cubic root of 54172902 is about 378.3792978929.
The spelling of 54172902 in words is "fifty-four million, one hundred seventy-two thousand, nine hundred two".
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