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69004425 = 3527131437
BaseRepresentation
bin1000001110011…
…10110010001001
311210211210021110
410013032302021
5120131120200
610503000533
71465346040
oct407166211
9153753243
1069004425
1135a51056
121b139149
13113b0629
149243557
1560d0b50
hex41cec89

69004425 has 24 divisors (see below), whose sum is σ = 130386496. Its totient is φ = 31544640.

The previous prime is 69004421. The next prime is 69004477. The reversal of 69004425 is 52440096.

It is not a de Polignac number, because 69004425 - 22 = 69004421 is a prime.

It is a super-2 number, since 2×690044252 = 9523221339161250, which contains 22 as substring.

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 = 69004392 and 69004401.

It is not an unprimeable number, because it can be changed into a prime (69004421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65194 + ... + 66243.

Almost surely, 269004425 is an apocalyptic number.

It is an amenable number.

69004425 is a deficient number, since it is larger than the sum of its proper divisors (61382071).

69004425 is a wasteful number, since it uses less digits than its factorization.

69004425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131457 (or 131452 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 69004425 is about 8306.8902123478. The cubic root of 69004425 is about 410.1653606230.

It can be divided in two parts, 6900 and 4425, that added together give a triangular number (11325 = T150).

The spelling of 69004425 in words is "sixty-nine million, four thousand, four hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 131437 394311 657185 920059 1971555 2760177 3285925 4600295 9857775 13800885 23001475 69004425