Base | Representation |
---|---|
bin | 1101100110101… |
… | …1001010110110 |
3 | 10222101001110000 |
4 | 3121223022312 |
5 | 104101441240 |
6 | 5355012130 |
7 | 1262006502 |
oct | 331531266 |
9 | 128331400 |
10 | 57062070 |
11 | 2a23463a |
12 | 1713a046 |
13 | ba8b950 |
14 | 7815302 |
15 | 5022430 |
hex | 366b2b6 |
57062070 has 80 divisors (see below), whose sum is σ = 165266640. Its totient is φ = 14043456.
The previous prime is 57062059. The next prime is 57062099. The reversal of 57062070 is 7026075.
57062070 is a `hidden beast` number, since 570 + 6 + 20 + 70 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
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, 7821 + ... + 13239.
It is an arithmetic number, because the mean of its divisors is an integer number (2065833).
Almost surely, 257062070 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57062070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82633320).
57062070 is an abundant number, since it is smaller than the sum of its proper divisors (108204570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57062070 is a wasteful number, since it uses less digits than its factorization.
57062070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5451 (or 5442 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 27.
The square root of 57062070 is about 7553.9440029696. The cubic root of 57062070 is about 384.9897562912.
It can be divided in two parts, 5706 and 2070, that added together give a 5-th power (7776 = 65).
The spelling of 57062070 in words is "fifty-seven million, sixty-two thousand, seventy".
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