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253423192 = 231116972
BaseRepresentation
bin11110001101011…
…10111001011000
3122122212020021011
433012232321120
51004334020232
641051423304
76165030061
oct1706567130
9578766234
10253423192
11120061660
1270a54b34
1340670869
142592b568
15173ad547
hexf1aee58

253423192 has 24 divisors (see below), whose sum is σ = 518671260. Its totient is φ = 115124480.

The previous prime is 253423151. The next prime is 253423213. The reversal of 253423192 is 291324352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148488 + ... + 150184.

Almost surely, 2253423192 is an apocalyptic number.

253423192 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

253423192 is an abundant number, since it is smaller than the sum of its proper divisors (265248068).

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

253423192 is an equidigital number, since it uses as much as digits as its factorization.

253423192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411 (or 1710 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 253423192 is about 15919.2710888407. The cubic root of 253423192 is about 632.8228013731.

The spelling of 253423192 in words is "two hundred fifty-three million, four hundred twenty-three thousand, one hundred ninety-two".

Divisors: 1 2 4 8 11 22 44 88 1697 3394 6788 13576 18667 37334 74668 149336 2879809 5759618 11519236 23038472 31677899 63355798 126711596 253423192