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253412432 = 24713174047
BaseRepresentation
bin11110001101011…
…00010001010000
3122122211200111122
433012230101100
51004333144212
641051301412
76164653520
oct1706542120
9578750448
10253412432
11120054569
1270a4a868
13406689b0
1425927680
15173aa272
hexf1ac450

253412432 has 40 divisors (see below), whose sum is σ = 604294656. Its totient is φ = 100250496.

The previous prime is 253412407. The next prime is 253412437. The reversal of 253412432 is 234214352.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253412437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85568 + ... + 88479.

Almost surely, 2253412432 is an apocalyptic number.

It is an amenable number.

253412432 is an abundant number, since it is smaller than the sum of its proper divisors (350882224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253412432 is a wasteful number, since it uses less digits than its factorization.

253412432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174075 (or 174069 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 253412432 is about 15918.9331300813. The cubic root of 253412432 is about 632.8138449846.

Adding to 253412432 its reverse (234214352), we get a palindrome (487626784).

The spelling of 253412432 in words is "two hundred fifty-three million, four hundred twelve thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 182 208 364 728 1456 174047 348094 696188 1218329 1392376 2262611 2436658 2784752 4525222 4873316 9050444 9746632 15838277 18100888 19493264 31676554 36201776 63353108 126706216 253412432