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122432480 = 255765203
BaseRepresentation
bin1110100110000…
…10101111100000
322112101012210022
413103002233200
5222320314410
620052053012
73014442002
oct723025740
9275335708
10122432480
1163123375
1235004168
131c499171
1412390372
15ab36455
hex74c2be0

122432480 has 24 divisors (see below), whose sum is σ = 289247112. Its totient is φ = 48972928.

The previous prime is 122432477. The next prime is 122432489. The reversal of 122432480 is 84234221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122432489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382442 + ... + 382761.

It is an arithmetic number, because the mean of its divisors is an integer number (12051963).

Almost surely, 2122432480 is an apocalyptic number.

122432480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122432480 is an abundant number, since it is smaller than the sum of its proper divisors (166814632).

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

122432480 is an equidigital number, since it uses as much as digits as its factorization.

122432480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765218 (or 765210 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 122432480 is about 11064.9211474823. The cubic root of 122432480 is about 496.5529300294.

The spelling of 122432480 in words is "one hundred twenty-two million, four hundred thirty-two thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 765203 1530406 3060812 3826015 6121624 7652030 12243248 15304060 24486496 30608120 61216240 122432480