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52487752 = 2321793011
BaseRepresentation
bin1100100000111…
…0011001001000
310122202122122211
43020032121020
5101414102002
65112554504
71205065342
oct310163110
9118678584
1052487752
112769a909
12156b2a34
13ab49855
146d84292
15491bdd7
hex320e648

52487752 has 16 divisors (see below), whose sum is σ = 98492400. Its totient is φ = 26223120.

The previous prime is 52487737. The next prime is 52487759. The reversal of 52487752 is 25778425.

It is a happy number.

It is a super-2 number, since 2×524877522 = 5509928220027008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52487759) 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, 15927 + ... + 18937.

It is an arithmetic number, because the mean of its divisors is an integer number (6155775).

Almost surely, 252487752 is an apocalyptic number.

It is an amenable number.

52487752 is a deficient number, since it is larger than the sum of its proper divisors (46004648).

52487752 is a wasteful number, since it uses less digits than its factorization.

52487752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5196 (or 5192 counting only the distinct ones).

The product of its digits is 156800, while the sum is 40.

The square root of 52487752 is about 7244.8431314971. The cubic root of 52487752 is about 374.4144984584.

The spelling of 52487752 in words is "fifty-two million, four hundred eighty-seven thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 2179 3011 4358 6022 8716 12044 17432 24088 6560969 13121938 26243876 52487752