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57262238 = 21119136991
BaseRepresentation
bin1101101001110…
…0000010011110
310222202020000122
43122130002132
5104124342423
65403154542
71263502205
oct332340236
9128666018
1057262238
112a360a70
1217215a52
13bb2baa7
14786823c
1550618c8
hex369c09e

57262238 has 16 divisors (see below), whose sum is σ = 98634240. Its totient is φ = 24658200.

The previous prime is 57262237. The next prime is 57262241. The reversal of 57262238 is 83226275.

57262238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 57262198 and 57262207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57262237) 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 7 ways as a sum of consecutive naturals, for example, 68078 + ... + 68913.

It is an arithmetic number, because the mean of its divisors is an integer number (6164640).

Almost surely, 257262238 is an apocalyptic number.

57262238 is a deficient number, since it is larger than the sum of its proper divisors (41372002).

57262238 is a wasteful number, since it uses less digits than its factorization.

57262238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137023.

The product of its digits is 40320, while the sum is 35.

The square root of 57262238 is about 7567.1816418003. The cubic root of 57262238 is about 385.4393993753.

The spelling of 57262238 in words is "fifty-seven million, two hundred sixty-two thousand, two hundred thirty-eight".

Divisors: 1 2 11 19 22 38 209 418 136991 273982 1506901 2602829 3013802 5205658 28631119 57262238