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52887144 = 2332203631
BaseRepresentation
bin1100100110111…
…1111001101000
310200111221112010
43021233321220
5102014342034
65125315520
71211350632
oct311577150
9120457463
1052887144
1127942992
1215865ba0
13ac5958b
147049a52
15499a3e9
hex326fe68

52887144 has 16 divisors (see below), whose sum is σ = 132217920. Its totient is φ = 17629040.

The previous prime is 52887139. The next prime is 52887151. The reversal of 52887144 is 44178825.

It is a happy number.

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, 1101792 + ... + 1101839.

It is an arithmetic number, because the mean of its divisors is an integer number (8263620).

Almost surely, 252887144 is an apocalyptic number.

It is an amenable number.

52887144 is an abundant number, since it is smaller than the sum of its proper divisors (79330776).

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

52887144 is a wasteful number, since it uses less digits than its factorization.

52887144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203640 (or 2203636 counting only the distinct ones).

The product of its digits is 71680, while the sum is 39.

The square root of 52887144 is about 7272.3547768244. The cubic root of 52887144 is about 375.3617699921.

The spelling of 52887144 in words is "fifty-two million, eight hundred eighty-seven thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 2203631 4407262 6610893 8814524 13221786 17629048 26443572 52887144