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51912852 = 2234326071
BaseRepresentation
bin1100011000001…
…0000010010100
310121200110001020
43012002002110
5101242202402
65052401140
71200152265
oct306020224
9117613036
1051912852
1127337992
12154761b0
13a9a7c84
146c7496c
1548568bc
hex3182094

51912852 has 12 divisors (see below), whose sum is σ = 121130016. Its totient is φ = 17304280.

The previous prime is 51912851. The next prime is 51912853. The reversal of 51912852 is 25821915.

It is an interprime number because it is at equal distance from previous prime (51912851) and next prime (51912853).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51912851) 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, 2163024 + ... + 2163047.

It is an arithmetic number, because the mean of its divisors is an integer number (10094168).

Almost surely, 251912852 is an apocalyptic number.

It is an amenable number.

51912852 is an abundant number, since it is smaller than the sum of its proper divisors (69217164).

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

51912852 is a wasteful number, since it uses less digits than its factorization.

51912852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4326078 (or 4326076 counting only the distinct ones).

The product of its digits is 7200, while the sum is 33.

The square root of 51912852 is about 7205.0573904723. The cubic root of 51912852 is about 373.0424857029.

The spelling of 51912852 in words is "fifty-one million, nine hundred twelve thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 4326071 8652142 12978213 17304284 25956426 51912852