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52752400 = 2452433067
BaseRepresentation
bin1100100100111…
…1000000010000
310200021002200121
43021033000100
5102001034100
65122400024
71210250041
oct311170020
9120232617
1052752400
1127860728
1215800014
13ac1014c
1470128c8
15497051a
hex324f010

52752400 has 60 divisors (see below), whose sum is σ = 129727312. Its totient is φ = 20603520.

The previous prime is 52752389. The next prime is 52752433. The reversal of 52752400 is 425725.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15667 + ... + 18733.

Almost surely, 252752400 is an apocalyptic number.

52752400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52752400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64863656).

52752400 is an abundant number, since it is smaller than the sum of its proper divisors (76974912).

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

52752400 is a wasteful number, since it uses less digits than its factorization.

52752400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128 (or 3117 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 52752400 is about 7263.0847441015. The cubic root of 52752400 is about 375.0427210588.

The spelling of 52752400 in words is "fifty-two million, seven hundred fifty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 43 50 80 86 100 172 200 215 344 400 430 688 860 1075 1720 2150 3067 3440 4300 6134 8600 12268 15335 17200 24536 30670 49072 61340 76675 122680 131881 153350 245360 263762 306700 527524 613400 659405 1055048 1226800 1318810 2110096 2637620 3297025 5275240 6594050 10550480 13188100 26376200 52752400