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53787238 = 2436110253
BaseRepresentation
bin1100110100101…
…1101001100110
310202012200012221
43031023221212
5102232142423
65200502554
71222120051
oct315135146
9122180187
1053787238
11283a816a
121601aa5a
13b1b318b
147201a98
154ac6e5d
hex334ba66

53787238 has 16 divisors (see below), whose sum is σ = 83918736. Its totient is φ = 25835040.

The previous prime is 53787221. The next prime is 53787259. The reversal of 53787238 is 83278735.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 53787194 and 53787203.

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, 120 + ... + 10372.

It is an arithmetic number, because the mean of its divisors is an integer number (5244921).

Almost surely, 253787238 is an apocalyptic number.

53787238 is a deficient number, since it is larger than the sum of its proper divisors (30131498).

53787238 is a wasteful number, since it uses less digits than its factorization.

53787238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10359.

The product of its digits is 282240, while the sum is 43.

The square root of 53787238 is about 7333.9783201207. The cubic root of 53787238 is about 377.4792480150.

The spelling of 53787238 in words is "fifty-three million, seven hundred eighty-seven thousand, two hundred thirty-eight".

Divisors: 1 2 43 61 86 122 2623 5246 10253 20506 440879 625433 881758 1250866 26893619 53787238