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127406980 = 22510915839
BaseRepresentation
bin1111001100000…
…01001110000100
322212201221112001
413212001032010
5230104010410
620350435044
73104640631
oct746011604
9285657461
10127406980
1165a10828
1236802a84
132051b45c
1412cc7188
15b2ba33a
hex7981384

127406980 has 24 divisors (see below), whose sum is σ = 267845760. Its totient is φ = 50907360.

The previous prime is 127406977. The next prime is 127407001. The reversal of 127406980 is 89604721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18901 + ... + 24739.

It is an arithmetic number, because the mean of its divisors is an integer number (11160240).

Almost surely, 2127406980 is an apocalyptic number.

127406980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127406980 is an abundant number, since it is smaller than the sum of its proper divisors (140438780).

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

127406980 is a wasteful number, since it uses less digits than its factorization.

127406980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6939 (or 6937 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 127406980 is about 11287.4700442570. The cubic root of 127406980 is about 503.1889249435.

The spelling of 127406980 in words is "one hundred twenty-seven million, four hundred six thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 1091 2182 4364 5455 5839 10910 11678 21820 23356 29195 58390 116780 6370349 12740698 25481396 31851745 63703490 127406980