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52455424 = 21173659
BaseRepresentation
bin1100100000011…
…0100000000000
310122201000022111
43020012200000
5101412033144
65112145104
71204602160
oct310064000
9118630274
1052455424
112767859a
1215698194
13ab37c18
146d765a0
154912534
hex3206800

52455424 has 48 divisors (see below), whose sum is σ = 119901600. Its totient is φ = 22474752.

The previous prime is 52455407. The next prime is 52455449. The reversal of 52455424 is 42455425.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12507 + ... + 16165.

It is an arithmetic number, because the mean of its divisors is an integer number (2497950).

Almost surely, 252455424 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 52455424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59950800).

52455424 is an abundant number, since it is smaller than the sum of its proper divisors (67446176).

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

52455424 is an equidigital number, since it uses as much as digits as its factorization.

52455424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688 (or 3668 counting only the distinct ones).

The product of its digits is 32000, while the sum is 31.

The square root of 52455424 is about 7242.6116836401. The cubic root of 52455424 is about 374.3376134880.

Subtracting from 52455424 its reverse (42455425), we obtain a palindrome (9999999).

The spelling of 52455424 in words is "fifty-two million, four hundred fifty-five thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 512 896 1024 1792 2048 3584 3659 7168 7318 14336 14636 25613 29272 51226 58544 102452 117088 204904 234176 409808 468352 819616 936704 1639232 1873408 3278464 3746816 6556928 7493632 13113856 26227712 52455424