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125224525 = 5210614721
BaseRepresentation
bin1110111011011…
…00011001001101
322201122001202101
413131230121031
5224024141100
620231555101
73050251036
oct735543115
9281561671
10125224525
1164760048
1235b2ba91
131cc35c6a
14128b9a8d
15aed886a
hex776c64d

125224525 has 12 divisors (see below), whose sum is σ = 155457684. Its totient is φ = 100064000.

The previous prime is 125224501. The next prime is 125224529. The reversal of 125224525 is 525422521.

It can be written as a sum of positive squares in 6 ways, for example, as 209764 + 125014761 = 458^2 + 11181^2 .

It is not a de Polignac number, because 125224525 - 211 = 125222477 is a prime.

It is a super-2 number, since 2×1252245252 = 31362363322951250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125224493 and 125224502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125224529) 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, 24165 + ... + 28885.

It is an arithmetic number, because the mean of its divisors is an integer number (12954807).

Almost surely, 2125224525 is an apocalyptic number.

It is an amenable number.

125224525 is a deficient number, since it is larger than the sum of its proper divisors (30233159).

125224525 is a wasteful number, since it uses less digits than its factorization.

125224525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5792 (or 5787 counting only the distinct ones).

The product of its digits is 8000, while the sum is 28.

The square root of 125224525 is about 11190.3764458574. The cubic root of 125224525 is about 500.2991876045.

The spelling of 125224525 in words is "one hundred twenty-five million, two hundred twenty-four thousand, five hundred twenty-five".

Divisors: 1 5 25 1061 4721 5305 23605 26525 118025 5008981 25044905 125224525