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80525024 = 2523372957
BaseRepresentation
bin1001100110010…
…11011011100000
312121112002120022
410303023123200
5131103300044
611553533012
71665310556
oct463133340
9177462508
1080525024
11414aa708
1222b74168
13138b5358
14a9a1bd6
1571093ee
hex4ccb6e0

80525024 has 48 divisors (see below), whose sum is σ = 169954848. Its totient is φ = 37458432.

The previous prime is 80525009. The next prime is 80525051. The reversal of 80525024 is 42052508.

It is a junction number, because it is equal to n+sod(n) for n = 80524984 and 80525002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25754 + ... + 28710.

It is an arithmetic number, because the mean of its divisors is an integer number (3540726).

Almost surely, 280525024 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 80525024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84977424).

80525024 is an abundant number, since it is smaller than the sum of its proper divisors (89429824).

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

80525024 is a wasteful number, since it uses less digits than its factorization.

80525024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027 (or 3019 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 80525024 is about 8973.5736471040. The cubic root of 80525024 is about 431.8274917076.

The spelling of 80525024 in words is "eighty million, five hundred twenty-five thousand, twenty-four".

Divisors: 1 2 4 8 16 23 32 37 46 74 92 148 184 296 368 592 736 851 1184 1702 2957 3404 5914 6808 11828 13616 23656 27232 47312 68011 94624 109409 136022 218818 272044 437636 544088 875272 1088176 1750544 2176352 2516407 3501088 5032814 10065628 20131256 40262512 80525024