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52475720 = 23511196277
BaseRepresentation
bin1100100000101…
…1011101001000
310122202001011012
43020023131020
5101413210340
65112423052
71205015303
oct310133510
9118661135
1052475720
1127691870
12156a7a88
13ab4422b
146d7db3a
154918565
hex320b748

52475720 has 64 divisors (see below), whose sum is σ = 135604800. Its totient is φ = 18074880.

The previous prime is 52475699. The next prime is 52475741. The reversal of 52475720 is 2757425.

It is an interprime number because it is at equal distance from previous prime (52475699) and next prime (52475741).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5222 + ... + 11498.

It is an arithmetic number, because the mean of its divisors is an integer number (2118825).

Almost surely, 252475720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52475720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67802400).

52475720 is an abundant number, since it is smaller than the sum of its proper divisors (83129080).

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

52475720 is a wasteful number, since it uses less digits than its factorization.

52475720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6318 (or 6314 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 52475720 is about 7244.0127001545. The cubic root of 52475720 is about 374.3858867071.

The spelling of 52475720 in words is "fifty-two million, four hundred seventy-five thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 11 19 20 22 38 40 44 55 76 88 95 110 152 190 209 220 380 418 440 760 836 1045 1672 2090 4180 6277 8360 12554 25108 31385 50216 62770 69047 119263 125540 138094 238526 251080 276188 345235 477052 552376 596315 690470 954104 1192630 1311893 1380940 2385260 2623786 2761880 4770520 5247572 6559465 10495144 13118930 26237860 52475720