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52731198 = 23213225347
BaseRepresentation
bin1100100100100…
…1110100111110
310200020000121100
43021021310332
5101444344243
65122113530
71210131162
oct311116476
9120200540
1052731198
1127846803
12157ab8a6
13ac035c0
147008ca2
1549690d3
hex3249d3e

52731198 has 24 divisors (see below), whose sum is σ = 123040008. Its totient is φ = 16224912.

The previous prime is 52731197. The next prime is 52731199. The reversal of 52731198 is 89113725.

It is an interprime number because it is at equal distance from previous prime (52731197) and next prime (52731199).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52731197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112440 + ... + 112907.

It is an arithmetic number, because the mean of its divisors is an integer number (5126667).

Almost surely, 252731198 is an apocalyptic number.

52731198 is an abundant number, since it is smaller than the sum of its proper divisors (70308810).

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

52731198 is a wasteful number, since it uses less digits than its factorization.

52731198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225368 (or 225365 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 52731198 is about 7261.6250247448. The cubic root of 52731198 is about 374.9924691821.

The spelling of 52731198 in words is "fifty-two million, seven hundred thirty-one thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 225347 450694 676041 1352082 2028123 2929511 4056246 5859022 8788533 17577066 26365599 52731198