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122685852 = 22310223821
BaseRepresentation
bin1110101000000…
…00100110011100
322112212002100110
413110000212130
5222401421402
620101330020
73016545462
oct724004634
9275762313
10122685852
1163286773
1235106910
131c5575a3
1412418832
15ab8656c
hex750099c

122685852 has 12 divisors (see below), whose sum is σ = 286267016. Its totient is φ = 40895280.

The previous prime is 122685847. The next prime is 122685853. The reversal of 122685852 is 258586221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 122685852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122685853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5111899 + ... + 5111922.

Almost surely, 2122685852 is an apocalyptic number.

122685852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122685852 is an abundant number, since it is smaller than the sum of its proper divisors (163581164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122685852 is a wasteful number, since it uses less digits than its factorization.

122685852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223828 (or 10223826 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 122685852 is about 11076.3645660478. The cubic root of 122685852 is about 496.8952300454.

It can be divided in two parts, 1226 and 85852, that added together give a palindrome (87078).

The spelling of 122685852 in words is "one hundred twenty-two million, six hundred eighty-five thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 10223821 20447642 30671463 40895284 61342926 122685852