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52146372 = 2236177043
BaseRepresentation
bin1100011011101…
…1000011000100
310122010022101010
43012323003010
5101322140442
65101402220
71202144145
oct306730304
9118108333
1052146372
1127487383
1215569370
13aa5a355
146cd5acc
1548a0b9c
hex31bb0c4

52146372 has 24 divisors (see below), whose sum is σ = 121889376. Its totient is φ = 17351488.

The previous prime is 52146349. The next prime is 52146373. The reversal of 52146372 is 27364125.

It is a super-2 number, since 2×521463722 = 5438488225524768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52146373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3883 + ... + 10925.

It is an arithmetic number, because the mean of its divisors is an integer number (5078724).

Almost surely, 252146372 is an apocalyptic number.

It is an amenable number.

52146372 is an abundant number, since it is smaller than the sum of its proper divisors (69743004).

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

52146372 is a wasteful number, since it uses less digits than its factorization.

52146372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7667 (or 7665 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 52146372 is about 7221.2444910832. The cubic root of 52146372 is about 373.6010024168.

The spelling of 52146372 in words is "fifty-two million, one hundred forty-six thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 617 1234 1851 2468 3702 7043 7404 14086 21129 28172 42258 84516 4345531 8691062 13036593 17382124 26073186 52146372