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122845242 = 23131574939
BaseRepresentation
bin1110101001001…
…11100000111010
322120011011222210
413110213200322
5222422021432
620104555550
73021111252
oct724474072
9276134883
10122845242
11633854a3
1235182bb6
131c5b1cc0
141245a962
15abb88cc
hex752783a

122845242 has 16 divisors (see below), whose sum is σ = 264589920. Its totient is φ = 37798512.

The previous prime is 122845223. The next prime is 122845249. The reversal of 122845242 is 242548221.

It is not an unprimeable number, because it can be changed into a prime (122845249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787392 + ... + 787547.

It is an arithmetic number, because the mean of its divisors is an integer number (16536870).

Almost surely, 2122845242 is an apocalyptic number.

122845242 is an abundant number, since it is smaller than the sum of its proper divisors (141744678).

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

122845242 is a wasteful number, since it uses less digits than its factorization.

122845242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574957.

The product of its digits is 10240, while the sum is 30.

The square root of 122845242 is about 11083.5572809455. The cubic root of 122845242 is about 497.1103210168.

The spelling of 122845242 in words is "one hundred twenty-two million, eight hundred forty-five thousand, two hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 1574939 3149878 4724817 9449634 20474207 40948414 61422621 122845242