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269144425 = 52111757571
BaseRepresentation
bin10000000010101…
…101000101101001
3200202102221202001
4100002231011221
51022400110200
642412411001
76445455424
oct2002550551
9622387661
10269144425
11128a1a210
1276176a61
13439b6574
1427a609bb
151896676a
hex100ad169

269144425 has 24 divisors (see below), whose sum is σ = 385502112. Its totient is φ = 184224000.

The previous prime is 269144423. The next prime is 269144429. The reversal of 269144425 is 524441962.

It is not a de Polignac number, because 269144425 - 21 = 269144423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (269144423) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 24111 + ... + 33460.

It is an arithmetic number, because the mean of its divisors is an integer number (16062588).

Almost surely, 2269144425 is an apocalyptic number.

269144425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

269144425 is a deficient number, since it is larger than the sum of its proper divisors (116357687).

269144425 is a wasteful number, since it uses less digits than its factorization.

269144425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57609 (or 57604 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 269144425 is about 16405.6217498759. The cubic root of 269144425 is about 645.6469881621.

The spelling of 269144425 in words is "two hundred sixty-nine million, one hundred forty-four thousand, four hundred twenty-five".

Divisors: 1 5 11 17 25 55 85 187 275 425 935 4675 57571 287855 633281 978707 1439275 3166405 4893535 10765777 15832025 24467675 53828885 269144425