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15074425 = 52602977
BaseRepresentation
bin111001100000…
…010001111001
31001100212020001
4321200101321
512324340200
61255033001
7242062522
oct71402171
931325201
1015074425
118566703
12506b761
13317a4a2
142005849
1514cb76a
hexe60479

15074425 has 6 divisors (see below), whose sum is σ = 18692318. Its totient is φ = 12059520.

The previous prime is 15074417. The next prime is 15074443. The reversal of 15074425 is 52447051.

It can be written as a sum of positive squares in 3 ways, for example, as 2627641 + 12446784 = 1621^2 + 3528^2 .

It is not a de Polignac number, because 15074425 - 23 = 15074417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15074393 and 15074402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 301464 + ... + 301513.

Almost surely, 215074425 is an apocalyptic number.

It is an amenable number.

15074425 is a deficient number, since it is larger than the sum of its proper divisors (3617893).

15074425 is an equidigital number, since it uses as much as digits as its factorization.

15074425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602987 (or 602982 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 15074425 is about 3882.5796836639. The cubic root of 15074425 is about 247.0284187662.

The spelling of 15074425 in words is "fifteen million, seventy-four thousand, four hundred twenty-five".

Divisors: 1 5 25 602977 3014885 15074425