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122355245 = 51031931231
BaseRepresentation
bin1110100101011…
…11111000101101
322112020021211202
413102233320231
5222310331440
620050255245
73014000555
oct722577055
9275207752
10122355245
1163080341
1234b87525
131c46cc6c
1412370165
15ab1d615
hex74afe2d

122355245 has 16 divisors (see below), whose sum is σ = 149140992. Its totient is φ = 96353280.

The previous prime is 122355209. The next prime is 122355283. The reversal of 122355245 is 542553221.

It is not a de Polignac number, because 122355245 - 28 = 122354989 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98780 + ... + 100010.

It is an arithmetic number, because the mean of its divisors is an integer number (9321312).

Almost surely, 2122355245 is an apocalyptic number.

It is an amenable number.

122355245 is a deficient number, since it is larger than the sum of its proper divisors (26785747).

122355245 is a wasteful number, since it uses less digits than its factorization.

122355245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532.

The product of its digits is 12000, while the sum is 29.

The square root of 122355245 is about 11061.4305132745. The cubic root of 122355245 is about 496.4484933285.

The spelling of 122355245 in words is "one hundred twenty-two million, three hundred fifty-five thousand, two hundred forty-five".

Divisors: 1 5 103 193 515 965 1231 6155 19879 99395 126793 237583 633965 1187915 24471049 122355245