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838482440 = 23520962061
BaseRepresentation
bin110001111110100…
…011101000001000
32011102202022200012
4301332203220020
53204122414230
6215111331052
726530661135
oct6176435010
92142668605
10838482440
113a03352a4
121b4980a88
13104937a73
147d50558c
154d929395
hex31fa3a08

838482440 has 16 divisors (see below), whose sum is σ = 1886585580. Its totient is φ = 335392960.

The previous prime is 838482409. The next prime is 838482461. The reversal of 838482440 is 44284838.

It can be written as a sum of positive squares in 2 ways, for example, as 837870916 + 611524 = 28946^2 + 782^2 .

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, 10480991 + ... + 10481070.

Almost surely, 2838482440 is an apocalyptic number.

It is an amenable number.

838482440 is an abundant number, since it is smaller than the sum of its proper divisors (1048103140).

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

838482440 is a wasteful number, since it uses less digits than its factorization.

838482440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20962072 (or 20962068 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 41.

The square root of 838482440 is about 28956.5612599286. The cubic root of 838482440 is about 942.9702484891.

The spelling of 838482440 in words is "eight hundred thirty-eight million, four hundred eighty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 20962061 41924122 83848244 104810305 167696488 209620610 419241220 838482440