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122530404 = 22367257593
BaseRepresentation
bin1110100110110…
…10101001100100
322112120012010010
413103122221210
5222331433104
620054130220
73015330333
oct723325144
9275505103
10122530404
116318a9a7
1235050970
131c5018c9
14123b7d1a
15ab55489
hex74daa64

122530404 has 48 divisors (see below), whose sum is σ = 291791808. Its totient is φ = 40009728.

The previous prime is 122530393. The next prime is 122530417. The reversal of 122530404 is 404035221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206332 + ... + 206924.

It is an arithmetic number, because the mean of its divisors is an integer number (6078996).

Almost surely, 2122530404 is an apocalyptic number.

It is an amenable number.

122530404 is an abundant number, since it is smaller than the sum of its proper divisors (169261404).

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

122530404 is a wasteful number, since it uses less digits than its factorization.

122530404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 922 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 122530404 is about 11069.3452380888. The cubic root of 122530404 is about 496.6852791447.

Adding to 122530404 its reverse (404035221), we get a palindrome (526565625).

The spelling of 122530404 in words is "one hundred twenty-two million, five hundred thirty thousand, four hundred four".

Divisors: 1 2 3 4 6 12 67 134 201 257 268 402 514 593 771 804 1028 1186 1542 1779 2372 3084 3558 7116 17219 34438 39731 51657 68876 79462 103314 119193 152401 158924 206628 238386 304802 457203 476772 609604 914406 1828812 10210867 20421734 30632601 40843468 61265202 122530404