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122251044 = 22310187587
BaseRepresentation
bin1110100100101…
…10011100100100
322112000222220110
413102112130210
5222244013134
620044133020
73013055016
oct722263444
9275028813
10122251044
116300a023
1234b37170
131c4346c6
14123441b6
15aaec7e9
hex7496724

122251044 has 12 divisors (see below), whose sum is σ = 285252464. Its totient is φ = 40750344.

The previous prime is 122251007. The next prime is 122251057. The reversal of 122251044 is 440152221.

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 122251044.

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 3 ways as a sum of consecutive naturals, for example, 5093782 + ... + 5093805.

Almost surely, 2122251044 is an apocalyptic number.

It is an amenable number.

122251044 is an abundant number, since it is smaller than the sum of its proper divisors (163001420).

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

122251044 is a wasteful number, since it uses less digits than its factorization.

122251044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10187594 (or 10187592 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 122251044 is about 11056.7194049591. The cubic root of 122251044 is about 496.3075236970.

The spelling of 122251044 in words is "one hundred twenty-two million, two hundred fifty-one thousand, forty-four".

Divisors: 1 2 3 4 6 12 10187587 20375174 30562761 40750348 61125522 122251044