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53308374 = 237325903
BaseRepresentation
bin1100101101011…
…0101111010110
310201022100100020
43023112233112
5102121331444
65142330010
71215054000
oct313265726
9121270306
1053308374
1128100409
1215a29906
13b076222
147119370
154a30119
hex32d6bd6

53308374 has 32 divisors (see below), whose sum is σ = 124339200. Its totient is φ = 15230376.

The previous prime is 53308369. The next prime is 53308391. The reversal of 53308374 is 47380335.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10894 + ... + 15009.

It is an arithmetic number, because the mean of its divisors is an integer number (3885600).

Almost surely, 253308374 is an apocalyptic number.

53308374 is an abundant number, since it is smaller than the sum of its proper divisors (71030826).

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

53308374 is a wasteful number, since it uses less digits than its factorization.

53308374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25929 (or 25915 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 53308374 is about 7301.2583846896. The cubic root of 53308374 is about 376.3556833103.

The spelling of 53308374 in words is "fifty-three million, three hundred eight thousand, three hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 343 686 1029 2058 25903 51806 77709 155418 181321 362642 543963 1087926 1269247 2538494 3807741 7615482 8884729 17769458 26654187 53308374