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57223516 = 22719107563
BaseRepresentation
bin1101101001001…
…0100101011100
310222200020220111
43122102211130
5104122123031
65402255404
71263251260
oct332224534
9128606814
1057223516
112a334969
12171b7564
13bb1728c
1478580a0
1550551b1
hex369295c

57223516 has 24 divisors (see below), whose sum is σ = 120471680. Its totient is φ = 23233392.

The previous prime is 57223483. The next prime is 57223519. The reversal of 57223516 is 61532275.

57223516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57223519) 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, 53250 + ... + 54313.

Almost surely, 257223516 is an apocalyptic number.

It is an amenable number.

57223516 is an abundant number, since it is smaller than the sum of its proper divisors (63248164).

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

57223516 is a wasteful number, since it uses less digits than its factorization.

57223516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107593 (or 107591 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 57223516 is about 7564.6226607809. The cubic root of 57223516 is about 385.3524988838.

The spelling of 57223516 in words is "fifty-seven million, two hundred twenty-three thousand, five hundred sixteen".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 107563 215126 430252 752941 1505882 2043697 3011764 4087394 8174788 14305879 28611758 57223516