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52623488 = 27537757
BaseRepresentation
bin1100100010111…
…1100010000000
310200000112212002
43020233202000
5101432422423
65115523132
71206202151
oct310574200
9120015762
1052623488
1127782895
12157594a8
13ab96578
146dbb928
154947228
hex322f880

52623488 has 32 divisors (see below), whose sum is σ = 106827660. Its totient is φ = 25811968.

The previous prime is 52623469. The next prime is 52623499. The reversal of 52623488 is 88432625.

It can be written as a sum of positive squares in 2 ways, for example, as 48330304 + 4293184 = 6952^2 + 2072^2 .

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

It is a super-2 number, since 2×526234882 = 5538462978572288, which contains 22 as substring.

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, 2906 + ... + 10662.

Almost surely, 252623488 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 52623488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53413830).

52623488 is an abundant number, since it is smaller than the sum of its proper divisors (54204172).

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

52623488 is an equidigital number, since it uses as much as digits as its factorization.

52623488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7824 (or 7812 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 52623488 is about 7254.2048496027. The cubic root of 52623488 is about 374.7369722943.

The spelling of 52623488 in words is "fifty-two million, six hundred twenty-three thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 32 53 64 106 128 212 424 848 1696 3392 6784 7757 15514 31028 62056 124112 248224 411121 496448 822242 992896 1644484 3288968 6577936 13155872 26311744 52623488