Base | Representation |
---|---|
bin | 1101101000101… |
… | …0111011011100 |
3 | 10222121122220000 |
4 | 3122022323130 |
5 | 104120122111 |
6 | 5401454300 |
7 | 1263060660 |
oct | 332127334 |
9 | 128548800 |
10 | 57192156 |
11 | 2a31334a |
12 | 171a1390 |
13 | bb05c18 |
14 | 784a8a0 |
15 | 504ac56 |
hex | 368aedc |
57192156 has 120 divisors (see below), whose sum is σ = 173031936. Its totient is φ = 16135200.
The previous prime is 57192143. The next prime is 57192167. The reversal of 57192156 is 65129175.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 57192156.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 342385 + ... + 342551.
Almost surely, 257192156 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57192156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86515968).
57192156 is an abundant number, since it is smaller than the sum of its proper divisors (115839780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57192156 is a wasteful number, since it uses less digits than its factorization.
57192156 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 341 (or 330 counting only the distinct ones).
The product of its digits is 18900, while the sum is 36.
The square root of 57192156 is about 7562.5495700855. The cubic root of 57192156 is about 385.2820915673.
It can be divided in two parts, 5719 and 2156, that added together give a triangular number (7875 = T125).
The spelling of 57192156 in words is "fifty-seven million, one hundred ninety-two thousand, one hundred fifty-six".
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