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1071980484 = 22389331707
BaseRepresentation
bin111111111001010…
…001111111000100
32202201010020202220
4333321101333010
54143411333414
6254212132340
735364453351
oct7771217704
92681106686
101071980484
11500117893
1225b0070b0
131411202a3
14a2527628
156419dca9
hex3fe51fc4

1071980484 has 12 divisors (see below), whose sum is σ = 2501287824. Its totient is φ = 357326824.

The previous prime is 1071980473. The next prime is 1071980501. The reversal of 1071980484 is 4840891701.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10719804842 = 2298284316153748512, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44665842 + ... + 44665865.

It is an arithmetic number, because the mean of its divisors is an integer number (208440652).

Almost surely, 21071980484 is an apocalyptic number.

It is an amenable number.

1071980484 is an abundant number, since it is smaller than the sum of its proper divisors (1429307340).

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

1071980484 is a wasteful number, since it uses less digits than its factorization.

1071980484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89331714 (or 89331712 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 1071980484 is about 32741.1130537738. The cubic root of 1071980484 is about 1023.4397786569.

The spelling of 1071980484 in words is "one billion, seventy-one million, nine hundred eighty thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 12 89331707 178663414 267995121 357326828 535990242 1071980484