Base | Representation |
---|---|
bin | 1101110001100… |
… | …0000010010010 |
3 | 11000201000201110 |
4 | 3130120002102 |
5 | 104242121010 |
6 | 5422114150 |
7 | 1301016015 |
oct | 334300222 |
9 | 130630643 |
10 | 57770130 |
11 | 2a678610 |
12 | 1741b956 |
13 | bc79012 |
14 | 795b37c |
15 | 5112120 |
hex | 3718092 |
57770130 has 32 divisors (see below), whose sum is σ = 151253568. Its totient is φ = 14004800.
The previous prime is 57770129. The next prime is 57770137. The reversal of 57770130 is 3107775.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (57770137) 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, 87201 + ... + 87860.
It is an arithmetic number, because the mean of its divisors is an integer number (4726674).
Almost surely, 257770130 is an apocalyptic number.
57770130 is an abundant number, since it is smaller than the sum of its proper divisors (93483438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57770130 is a wasteful number, since it uses less digits than its factorization.
57770130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175082.
The product of its (nonzero) digits is 5145, while the sum is 30.
The square root of 57770130 is about 7600.6664181505. Note that the first 3 decimals coincide. The cubic root of 57770130 is about 386.5756085950.
It can be divided in two parts, 577 and 70130, that added together give a palindrome (70707).
The spelling of 57770130 in words is "fifty-seven million, seven hundred seventy thousand, one hundred thirty".
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