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57073229 = 396714387
BaseRepresentation
bin1101100110110…
…1111001001101
310222101121202022
43121231321031
5104102320404
65355135525
71262054153
oct331557115
9128347668
1057073229
112a241a64
12171445a5
13ba93a55
1478193d3
1550258be
hex366de4d

57073229 has 4 divisors (see below), whose sum is σ = 57091584. Its totient is φ = 57054876.

The previous prime is 57073217. The next prime is 57073243. The reversal of 57073229 is 92237075.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57073229 - 28 = 57072973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57073259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3227 + ... + 11160.

It is an arithmetic number, because the mean of its divisors is an integer number (14272896).

Almost surely, 257073229 is an apocalyptic number.

It is an amenable number.

57073229 is a deficient number, since it is larger than the sum of its proper divisors (18355).

57073229 is a wasteful number, since it uses less digits than its factorization.

57073229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18354.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 57073229 is about 7554.6825876406. The cubic root of 57073229 is about 385.0148507230.

The spelling of 57073229 in words is "fifty-seven million, seventy-three thousand, two hundred twenty-nine".

Divisors: 1 3967 14387 57073229