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122890662 = 2337928807
BaseRepresentation
bin1110101001100…
…10100110100110
322120020111022000
413110302212212
5222430000122
620105550130
73021360546
oct724624646
9276214260
10122890662
1163406634
12351a5346
131c5c988b
141246d326
15abc70ac
hex75329a6

122890662 has 32 divisors (see below), whose sum is σ = 276556800. Its totient is φ = 40443624.

The previous prime is 122890657. The next prime is 122890673. The reversal of 122890662 is 266098221.

It is a happy number.

It is a super-2 number, since 2×1228906622 = 30204229613596488, which contains 22 as substring.

It is a congruent number.

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, 10138 + ... + 18669.

It is an arithmetic number, because the mean of its divisors is an integer number (8642400).

Almost surely, 2122890662 is an apocalyptic number.

122890662 is an abundant number, since it is smaller than the sum of its proper divisors (153666138).

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

122890662 is a wasteful number, since it uses less digits than its factorization.

122890662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28897 (or 28891 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 122890662 is about 11085.6060727414. The cubic root of 122890662 is about 497.1715795789.

The spelling of 122890662 in words is "one hundred twenty-two million, eight hundred ninety thousand, six hundred sixty-two".

Divisors: 1 2 3 6 9 18 27 54 79 158 237 474 711 1422 2133 4266 28807 57614 86421 172842 259263 518526 777789 1555578 2275753 4551506 6827259 13654518 20481777 40963554 61445331 122890662