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269642425 = 52134012069
BaseRepresentation
bin10000000100100…
…110101010111001
3200210101020212111
4100010212222321
51023012024200
642431212321
76452631343
oct2004465271
9623336774
10269642425
1112922a388
12763770a1
1343b2c140
1427b50293
1518a140ba
hex10126ab9

269642425 has 24 divisors (see below), whose sum is σ = 361148760. Its totient is φ = 198528000.

The previous prime is 269642393. The next prime is 269642453. The reversal of 269642425 is 524246962.

It can be written as a sum of positive squares in 12 ways, for example, as 80084601 + 189557824 = 8949^2 + 13768^2 .

It is not a de Polignac number, because 269642425 - 25 = 269642393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129291 + ... + 131359.

It is an arithmetic number, because the mean of its divisors is an integer number (15047865).

Almost surely, 2269642425 is an apocalyptic number.

269642425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

269642425 is a deficient number, since it is larger than the sum of its proper divisors (91506335).

269642425 is a wasteful number, since it uses less digits than its factorization.

269642425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493 (or 2488 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 269642425 is about 16420.7924595617. The cubic root of 269642425 is about 646.0449580037.

The spelling of 269642425 in words is "two hundred sixty-nine million, six hundred forty-two thousand, four hundred twenty-five".

Divisors: 1 5 13 25 65 325 401 2005 2069 5213 10025 10345 26065 26897 51725 130325 134485 672425 829669 4148345 10785697 20741725 53928485 269642425