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57233500 = 2253114467
BaseRepresentation
bin1101101001010…
…1000001011100
310222200202121021
43122111001130
5104122433000
65402413524
71263322342
oct332250134
9128622537
1057233500
112a341415
12172012a4
13bb1b99c
14785b992
15505811a
hex369505c

57233500 has 24 divisors (see below), whose sum is σ = 124999056. Its totient is φ = 22893200.

The previous prime is 57233489. The next prime is 57233513. The reversal of 57233500 is 533275.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56734 + ... + 57733.

It is an arithmetic number, because the mean of its divisors is an integer number (5208294).

Almost surely, 257233500 is an apocalyptic number.

57233500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57233500 is an abundant number, since it is smaller than the sum of its proper divisors (67765556).

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

57233500 is a wasteful number, since it uses less digits than its factorization.

57233500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114486 (or 114474 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 57233500 is about 7565.2825459463. The cubic root of 57233500 is about 385.3749088758.

Adding to 57233500 its reverse (533275), we get a palindrome (57766775).

The spelling of 57233500 in words is "fifty-seven million, two hundred thirty-three thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 114467 228934 457868 572335 1144670 2289340 2861675 5723350 11446700 14308375 28616750 57233500