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612425052 = 223217011807
BaseRepresentation
bin100100100000001…
…101110101011100
31120200101102020100
4210200031311130
52223240100202
6140434221100
721114345531
oct4440156534
91520342210
10612425052
11294775008
12151124790
1399b591b5
145b49cd88
1538b7441c
hex2480dd5c

612425052 has 18 divisors (see below), whose sum is σ = 1548074528. Its totient is φ = 204141672.

The previous prime is 612425039. The next prime is 612425053. The reversal of 612425052 is 250524216.

612425052 is a `hidden beast` number, since 612 + 42 + 5 + 0 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612425053) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 8505868 + ... + 8505939.

Almost surely, 2612425052 is an apocalyptic number.

It is an amenable number.

612425052 is an abundant number, since it is smaller than the sum of its proper divisors (935649476).

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

612425052 is a wasteful number, since it uses less digits than its factorization.

612425052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17011817 (or 17011812 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 612425052 is about 24747.2231169479. The cubic root of 612425052 is about 849.2149854911.

Adding to 612425052 its reverse (250524216), we get a palindrome (862949268).

The spelling of 612425052 in words is "six hundred twelve million, four hundred twenty-five thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 17011807 34023614 51035421 68047228 102070842 153106263 204141684 306212526 612425052