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57225650 = 2522814073
BaseRepresentation
bin1101101001001…
…1000110110010
310222200100211112
43122103012302
5104122210100
65402313322
71263260426
oct332230662
9128610745
1057225650
112a336529
12171b8842
13bb18241
147858b86
155055b35
hex36931b2

57225650 has 24 divisors (see below), whose sum is σ = 106844724. Its totient is φ = 22803200.

The previous prime is 57225631. The next prime is 57225653. The reversal of 57225650 is 5652275.

57225650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 13520329 + 43705321 = 3677^2 + 6611^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57225653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12014 + ... + 16086.

Almost surely, 257225650 is an apocalyptic number.

57225650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57225650 is a deficient number, since it is larger than the sum of its proper divisors (49619074).

57225650 is a wasteful number, since it uses less digits than its factorization.

57225650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366 (or 4361 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 57225650 is about 7564.7637107844. The cubic root of 57225650 is about 385.3572890590.

It can be divided in two parts, 57225 and 650, that added together give a palindrome (57875).

The spelling of 57225650 in words is "fifty-seven million, two hundred twenty-five thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 281 562 1405 2810 4073 7025 8146 14050 20365 40730 101825 203650 1144513 2289026 5722565 11445130 28612825 57225650