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57020200 = 2352285101
BaseRepresentation
bin1101100110000…
…0111100101000
310222021221000021
43121200330220
5104044121300
65354050224
71261443436
oct331407450
9128257007
1057020200
112a206136
1217119974
13ba75883
147803d56
155014d1a
hex3660f28

57020200 has 24 divisors (see below), whose sum is σ = 132572430. Its totient is φ = 22808000.

The previous prime is 57020153. The next prime is 57020203. The reversal of 57020200 is 202075.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 43639236 + 13380964 = 6606^2 + 3658^2 .

It is not an unprimeable number, because it can be changed into a prime (57020203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142351 + ... + 142750.

Almost surely, 257020200 is an apocalyptic number.

57020200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57020200 is an abundant number, since it is smaller than the sum of its proper divisors (75552230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57020200 is a wasteful number, since it uses less digits than its factorization.

57020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285117 (or 285108 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 57020200 is about 7551.1720944500. The cubic root of 57020200 is about 384.8955695846.

Adding to 57020200 its reverse (202075), we get a palindrome (57222275).

The spelling of 57020200 in words is "fifty-seven million, twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 285101 570202 1140404 1425505 2280808 2851010 5702020 7127525 11404040 14255050 28510100 57020200