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524400425 = 5231167447
BaseRepresentation
bin11111010000011…
…011011100101001
31100112202022010222
4133100123130221
52033221303200
6124011415425
715665221133
oct3720333451
91315668128
10524400425
1124a01288a
12127754575
1384849413
144d908053
1531087d85
hex1f41b729

524400425 has 12 divisors (see below), whose sum is σ = 652357056. Its totient is φ = 418165200.

The previous prime is 524400413. The next prime is 524400427. The reversal of 524400425 is 524004425.

It is not a de Polignac number, because 524400425 - 28 = 524400169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 524400394 and 524400403.

It is not an unprimeable number, because it can be changed into a prime (524400427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25949 + ... + 41498.

It is an arithmetic number, because the mean of its divisors is an integer number (54363088).

Almost surely, 2524400425 is an apocalyptic number.

It is an amenable number.

524400425 is a deficient number, since it is larger than the sum of its proper divisors (127956631).

524400425 is a wasteful number, since it uses less digits than its factorization.

524400425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67768 (or 67763 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 524400425 is about 22899.7909379103. The cubic root of 524400425 is about 806.4071039724.

The spelling of 524400425 in words is "five hundred twenty-four million, four hundred thousand, four hundred twenty-five".

Divisors: 1 5 25 311 1555 7775 67447 337235 1686175 20976017 104880085 524400425