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122845340 = 2256142267
BaseRepresentation
bin1110101001001…
…11100010011100
322120011012010102
413110213202130
5222422022330
620105000232
73021111452
oct724474234
9276135112
10122845340
1163385582
1235183078
131c5b2067
141245a9d2
15abb8945
hex752789c

122845340 has 12 divisors (see below), whose sum is σ = 257975256. Its totient is φ = 49138128.

The previous prime is 122845339. The next prime is 122845379. The reversal of 122845340 is 43548221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3071114 + ... + 3071153.

It is an arithmetic number, because the mean of its divisors is an integer number (21497938).

Almost surely, 2122845340 is an apocalyptic number.

122845340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122845340 is an abundant number, since it is smaller than the sum of its proper divisors (135129916).

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

122845340 is a wasteful number, since it uses less digits than its factorization.

122845340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6142276 (or 6142274 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 122845340 is about 11083.5617019079. The cubic root of 122845340 is about 497.1104532069.

The spelling of 122845340 in words is "one hundred twenty-two million, eight hundred forty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 6142267 12284534 24569068 30711335 61422670 122845340