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231150122 = 27174332243
BaseRepresentation
bin11011100011100…
…01001000101010
3121002221122100122
431301301020222
5433133300442
634534203242
75504513030
oct1561611052
9532848318
10231150122
11109529565
12654b3522
1338b72928
14229b0550
151545ddd2
hexdc7122a

231150122 has 32 divisors (see below), whose sum is σ = 420723072. Its totient is φ = 92980224.

The previous prime is 231150113. The next prime is 231150163. The reversal of 231150122 is 221051132.

It is a happy number.

It is a super-2 number, since 2×2311501222 = 106860757801229768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 231150122.

It is an unprimeable number.

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, 101933 + ... + 104175.

It is an arithmetic number, because the mean of its divisors is an integer number (13147596).

Almost surely, 2231150122 is an apocalyptic number.

231150122 is a deficient number, since it is larger than the sum of its proper divisors (189572950).

231150122 is a wasteful number, since it uses less digits than its factorization.

231150122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 231150122 is about 15203.6220026677. The cubic root of 231150122 is about 613.7121325616.

The spelling of 231150122 in words is "two hundred thirty-one million, one hundred fifty thousand, one hundred twenty-two".

Divisors: 1 2 7 14 17 34 119 238 433 866 2243 3031 4486 6062 7361 14722 15701 31402 38131 51527 76262 103054 266917 533834 971219 1942438 6798533 13597066 16510723 33021446 115575061 231150122