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253955423 = 12712491601
BaseRepresentation
bin11110010001100…
…00110101011111
3122200212021100102
433020300311133
51010003033143
641111051315
76202404551
oct1710606537
9580767312
10253955423
11120395517
1271070b3b
13407c8ba7
1425a294d1
15174660b8
hexf230d5f

253955423 has 8 divisors (see below), whose sum is σ = 256320000. Its totient is φ = 251596800.

The previous prime is 253955417. The next prime is 253955431. The reversal of 253955423 is 324559352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253955423 - 214 = 253939039 is a prime.

It is a super-2 number, since 2×2539554232 = 128986713742217858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253955413) 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, 157823 + ... + 159423.

It is an arithmetic number, because the mean of its divisors is an integer number (32040000).

Almost surely, 2253955423 is an apocalyptic number.

253955423 is a deficient number, since it is larger than the sum of its proper divisors (2364577).

253955423 is a wasteful number, since it uses less digits than its factorization.

253955423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977.

The product of its digits is 162000, while the sum is 38.

The square root of 253955423 is about 15935.9788842732. The cubic root of 253955423 is about 633.2655027694.

The spelling of 253955423 in words is "two hundred fifty-three million, nine hundred fifty-five thousand, four hundred twenty-three".

Divisors: 1 127 1249 1601 158623 203327 1999649 253955423