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124347425 = 524973897
BaseRepresentation
bin1110110100101…
…10010000100001
322122222111121012
413122112100201
5223313104200
620201110305
73036635636
oct732262041
9278874535
10124347425
1164211074
1235788395
131c9b9977
141272c18d
15adb3a35
hex7696421

124347425 has 6 divisors (see below), whose sum is σ = 154190838. Its totient is φ = 99477920.

The previous prime is 124347409. The next prime is 124347437. The reversal of 124347425 is 524743421.

It can be written as a sum of positive squares in 3 ways, for example, as 27541504 + 96805921 = 5248^2 + 9839^2 .

It is not a de Polignac number, because 124347425 - 24 = 124347409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 124347391 and 124347400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2486924 + ... + 2486973.

It is an arithmetic number, because the mean of its divisors is an integer number (25698473).

Almost surely, 2124347425 is an apocalyptic number.

It is an amenable number.

124347425 is a deficient number, since it is larger than the sum of its proper divisors (29843413).

124347425 is an equidigital number, since it uses as much as digits as its factorization.

124347425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973907 (or 4973902 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 124347425 is about 11151.1176569885. The cubic root of 124347425 is about 499.1283814451.

The spelling of 124347425 in words is "one hundred twenty-four million, three hundred forty-seven thousand, four hundred twenty-five".

Divisors: 1 5 25 4973897 24869485 124347425