Base | Representation |
---|---|
bin | 1101101110011… |
… | …1110001111000 |
3 | 11000022222120210 |
4 | 3123213301320 |
5 | 104214304342 |
6 | 5413551120 |
7 | 1266233526 |
oct | 333476170 |
9 | 130288523 |
10 | 57572472 |
11 | 2a553061 |
12 | 173454a0 |
13 | bc0a069 |
14 | 7909316 |
15 | 50c379c |
hex | 36e7c78 |
57572472 has 64 divisors (see below), whose sum is σ = 154565280. Its totient is φ = 17805312.
The previous prime is 57572461. The next prime is 57572477. The reversal of 57572472 is 27427575.
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 57572472.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57572477) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28818 + ... + 30750.
Almost surely, 257572472 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 57572472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77282640).
57572472 is an abundant number, since it is smaller than the sum of its proper divisors (96992808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57572472 is a wasteful number, since it uses less digits than its factorization.
57572472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2032 (or 2028 counting only the distinct ones).
The product of its digits is 137200, while the sum is 39.
The square root of 57572472 is about 7587.6526014308. The cubic root of 57572472 is about 386.1342209096.
The spelling of 57572472 in words is "fifty-seven million, five hundred seventy-two thousand, four hundred seventy-two".
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