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53938680 = 23352319543
BaseRepresentation
bin1100110111000…
…0100111111000
310202111100221220
43031300213320
5102302014210
65204032040
71223320425
oct315604770
9122440856
1053938680
11284a0a24
1216092620
13b2370a3
147240d4c
154b06c70
hex33709f8

53938680 has 64 divisors (see below), whose sum is σ = 168860160. Its totient is φ = 13757568.

The previous prime is 53938679. The next prime is 53938691. The reversal of 53938680 is 8683935.

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, 7012 + ... + 12531.

It is an arithmetic number, because the mean of its divisors is an integer number (2638440).

Almost surely, 253938680 is an apocalyptic number.

It is an amenable number.

53938680 is an abundant number, since it is smaller than the sum of its proper divisors (114921480).

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

53938680 is a wasteful number, since it uses less digits than its factorization.

53938680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19580 (or 19576 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 53938680 is about 7344.2957456791. The cubic root of 53938680 is about 377.8331897445.

The spelling of 53938680 in words is "fifty-three million, nine hundred thirty-eight thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 23 24 30 40 46 60 69 92 115 120 138 184 230 276 345 460 552 690 920 1380 2760 19543 39086 58629 78172 97715 117258 156344 195430 234516 293145 390860 449489 469032 586290 781720 898978 1172580 1348467 1797956 2247445 2345160 2696934 3595912 4494890 5393868 6742335 8989780 10787736 13484670 17979560 26969340 53938680