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52729472 = 27491839
BaseRepresentation
bin1100100100100…
…1011010000000
310200012221020102
43021021122000
5101444320342
65122101532
71210123145
oct311113200
9120187212
1052729472
1127845484
12157aa8a8
13ac02893
1470083cc
154968832
hex3249680

52729472 has 32 divisors (see below), whose sum is σ = 105386400. Its totient is φ = 26279680.

The previous prime is 52729471. The next prime is 52729487. The reversal of 52729472 is 27492725.

It is a tau number, because it is divible by the number of its divisors (32).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (52729471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62429 + ... + 63267.

It is an arithmetic number, because the mean of its divisors is an integer number (3293325).

Almost surely, 252729472 is an apocalyptic number.

It is an amenable number.

52729472 is a deficient number, since it is larger than the sum of its proper divisors (52656928).

52729472 is an equidigital number, since it uses as much as digits as its factorization.

52729472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344 (or 1332 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 52729472 is about 7261.5061798500. The cubic root of 52729472 is about 374.9883777139.

The spelling of 52729472 in words is "fifty-two million, seven hundred twenty-nine thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 491 839 982 1678 1964 3356 3928 6712 7856 13424 15712 26848 31424 53696 62848 107392 411949 823898 1647796 3295592 6591184 13182368 26364736 52729472