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253423910 = 25109232499
BaseRepresentation
bin11110001101011…
…11000100100110
3122122212021020202
433012233010212
51004334031120
641051430502
76165032135
oct1706570446
9578767222
10253423910
11120062153
1270a55432
1340670c9c
142592b91c
15173ad875
hexf1af126

253423910 has 16 divisors (see below), whose sum is σ = 460350000. Its totient is φ = 100439136.

The previous prime is 253423873. The next prime is 253423943. The reversal of 253423910 is 19324352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115160 + ... + 117339.

It is an arithmetic number, because the mean of its divisors is an integer number (28771875).

Almost surely, 2253423910 is an apocalyptic number.

253423910 is a deficient number, since it is larger than the sum of its proper divisors (206926090).

253423910 is a wasteful number, since it uses less digits than its factorization.

253423910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232615.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 253423910 is about 15919.2936401085. The cubic root of 253423910 is about 632.8233990116.

The spelling of 253423910 in words is "two hundred fifty-three million, four hundred twenty-three thousand, nine hundred ten".

Divisors: 1 2 5 10 109 218 545 1090 232499 464998 1162495 2324990 25342391 50684782 126711955 253423910