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422153231 = 17432712131
BaseRepresentation
bin11001001010011…
…000110000001111
31002102100121100212
4121022120300033
51331032400411
6105520113035
713314146303
oct3112306017
91072317325
10422153231
111a7326a75
12b946577b
13695c9b16
14400cdd03
15270dc68b
hex19298c0f

422153231 has 16 divisors (see below), whose sum is σ = 459283968. Its totient is φ = 386467200.

The previous prime is 422153219. The next prime is 422153243. The reversal of 422153231 is 132351224.

It is an interprime number because it is at equal distance from previous prime (422153219) and next prime (422153243).

It is a cyclic number.

It is not a de Polignac number, because 422153231 - 210 = 422152207 is a prime.

It is a super-2 number, since 2×4221532312 = 356426700887478722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422153197 and 422153206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422153731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197036 + ... + 199166.

It is an arithmetic number, because the mean of its divisors is an integer number (28705248).

Almost surely, 2422153231 is an apocalyptic number.

422153231 is a deficient number, since it is larger than the sum of its proper divisors (37130737).

422153231 is a wasteful number, since it uses less digits than its factorization.

422153231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462.

The product of its digits is 1440, while the sum is 23.

The square root of 422153231 is about 20546.3678298623. The cubic root of 422153231 is about 750.1648413967.

The spelling of 422153231 in words is "four hundred twenty-two million, one hundred fifty-three thousand, two hundred thirty-one".

Divisors: 1 17 43 271 731 2131 4607 11653 36227 91633 198101 577501 1557761 9817517 24832543 422153231