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53916920 = 2354193217
BaseRepresentation
bin1100110110101…
…1010011111000
310202110021002222
43031223103320
5102300320140
65203343212
71223200121
oct315532370
9122407088
1053916920
1128486642
1216081b08
13b22a205
147237048
154b005b5
hex336b4f8

53916920 has 32 divisors (see below), whose sum is σ = 121640400. Its totient is φ = 21508608.

The previous prime is 53916917. The next prime is 53916923. The reversal of 53916920 is 2961935.

It is an interprime number because it is at equal distance from previous prime (53916917) and next prime (53916923).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53916923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15152 + ... + 18368.

Almost surely, 253916920 is an apocalyptic number.

It is an amenable number.

53916920 is an abundant number, since it is smaller than the sum of its proper divisors (67723480).

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

53916920 is a wasteful number, since it uses less digits than its factorization.

53916920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3647 (or 3643 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 53916920 is about 7342.8141744157. The cubic root of 53916920 is about 377.7823742873.

The spelling of 53916920 in words is "fifty-three million, nine hundred sixteen thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 419 838 1676 2095 3217 3352 4190 6434 8380 12868 16085 16760 25736 32170 64340 128680 1347923 2695846 5391692 6739615 10783384 13479230 26958460 53916920