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53919285 = 357539689
BaseRepresentation
bin1100110110101…
…1111000110101
310202110101100120
43031223320311
5102300404120
65203402153
71223210040
oct315537065
9122411316
1053919285
11284883a2
1216083359
13b22b304
147237c57
154b01140
hex336be35

53919285 has 32 divisors (see below), whose sum is σ = 100465920. Its totient is φ = 24181248.

The previous prime is 53919277. The next prime is 53919301. The reversal of 53919285 is 58291935.

It is not a de Polignac number, because 53919285 - 23 = 53919277 is a prime.

It is a super-2 number, since 2×539192852 = 5814578589822450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 721 + ... + 10409.

It is an arithmetic number, because the mean of its divisors is an integer number (3139560).

Almost surely, 253919285 is an apocalyptic number.

It is an amenable number.

53919285 is a deficient number, since it is larger than the sum of its proper divisors (46546635).

53919285 is a wasteful number, since it uses less digits than its factorization.

53919285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9757.

The product of its digits is 97200, while the sum is 42.

The square root of 53919285 is about 7342.9752144482. The cubic root of 53919285 is about 377.7878978610.

The spelling of 53919285 in words is "fifty-three million, nine hundred nineteen thousand, two hundred eighty-five".

Divisors: 1 3 5 7 15 21 35 53 105 159 265 371 795 1113 1855 5565 9689 29067 48445 67823 145335 203469 339115 513517 1017345 1540551 2567585 3594619 7702755 10783857 17973095 53919285