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253422279 = 32112232711
BaseRepresentation
bin11110001101011…
…10101011000111
3122122212012000100
433012232223013
51004334003104
641051415143
76165024315
oct1706565307
9578765010
10253422279
11120060a00
1270a544b3
1340670316
142592b0b5
15173ad139
hexf1aeac7

253422279 has 18 divisors (see below), whose sum is σ = 402359048. Its totient is φ = 153588600.

The previous prime is 253422269. The next prime is 253422307. The reversal of 253422279 is 972224352.

It is not a de Polignac number, because 253422279 - 27 = 253422151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253422229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 115267 + ... + 117444.

Almost surely, 2253422279 is an apocalyptic number.

253422279 is a deficient number, since it is larger than the sum of its proper divisors (148936769).

253422279 is a wasteful number, since it uses less digits than its factorization.

253422279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232739 (or 232725 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 253422279 is about 15919.2424128788. The cubic root of 253422279 is about 632.8220414218.

The spelling of 253422279 in words is "two hundred fifty-three million, four hundred twenty-two thousand, two hundred seventy-nine".

Divisors: 1 3 9 11 33 99 121 363 1089 232711 698133 2094399 2559821 7679463 23038389 28158031 84474093 253422279