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52752786 = 238792131
BaseRepresentation
bin1100100100111…
…1000110010010
310200021010012220
43021033012102
5102001042121
65122401510
71210251132
oct311170622
9120233186
1052752786
1127860a49
1215800296
13ac10388
147012ac2
1549706c6
hex324f192

52752786 has 8 divisors (see below), whose sum is σ = 105505584. Its totient is φ = 17584260.

The previous prime is 52752781. The next prime is 52752829. The reversal of 52752786 is 68725725.

It is a sphenic number, since it is the product of 3 distinct primes.

52752786 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (52752781) 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, 4396060 + ... + 4396071.

It is an arithmetic number, because the mean of its divisors is an integer number (13188198).

Almost surely, 252752786 is an apocalyptic number.

52752786 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52752786 is a wasteful number, since it uses less digits than its factorization.

52752786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8792136.

The product of its digits is 235200, while the sum is 42.

The square root of 52752786 is about 7263.1113167843. Note that the first 3 decimals coincide. The cubic root of 52752786 is about 375.0436358111.

The spelling of 52752786 in words is "fifty-two million, seven hundred fifty-two thousand, seven hundred eighty-six".

Divisors: 1 2 3 6 8792131 17584262 26376393 52752786