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122426231 = 177201543
BaseRepresentation
bin1110100110000…
…01001101110111
322112100220012212
413103001031313
5222320114411
620052004035
73014414534
oct723011567
9275326185
10122426231
1163119704
123500061b
131c496375
141238bd8b
15ab3468b
hex74c1377

122426231 has 4 divisors (see below), whose sum is σ = 129627792. Its totient is φ = 115224672.

The previous prime is 122426191. The next prime is 122426251. The reversal of 122426231 is 132624221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122426231 - 26 = 122426167 is a prime.

It is a super-2 number, since 2×1224262312 = 29976364073730722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122426197 and 122426206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122426251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3600755 + ... + 3600788.

It is an arithmetic number, because the mean of its divisors is an integer number (32406948).

Almost surely, 2122426231 is an apocalyptic number.

122426231 is a deficient number, since it is larger than the sum of its proper divisors (7201561).

122426231 is an equidigital number, since it uses as much as digits as its factorization.

122426231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7201560.

The product of its digits is 1152, while the sum is 23.

The square root of 122426231 is about 11064.6387650027. The cubic root of 122426231 is about 496.5444818026.

The spelling of 122426231 in words is "one hundred twenty-two million, four hundred twenty-six thousand, two hundred thirty-one".

Divisors: 1 17 7201543 122426231