Search a number
-
+
1038197408 = 2541791309
BaseRepresentation
bin111101111000011…
…010001010100000
32200100112220002212
4331320122022200
54111234304113
6251004101252
734504350413
oct7570321240
92610486085
101038197408
11493043096
1224b834828
131371223c1
149bc51b7a
15612290a8
hex3de1a2a0

1038197408 has 24 divisors (see below), whose sum is σ = 2093806260. Its totient is φ = 506437120.

The previous prime is 1038197399. The next prime is 1038197579. The reversal of 1038197408 is 8047918301.

It can be written as a sum of positive squares in 2 ways, for example, as 994267024 + 43930384 = 31532^2 + 6628^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 394343 + ... + 396966.

Almost surely, 21038197408 is an apocalyptic number.

It is an amenable number.

1038197408 is an abundant number, since it is smaller than the sum of its proper divisors (1055608852).

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

1038197408 is an equidigital number, since it uses as much as digits as its factorization.

1038197408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791360 (or 791352 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 1038197408 is about 32221.0708698516. The cubic root of 1038197408 is about 1012.5737085597.

The spelling of 1038197408 in words is "one billion, thirty-eight million, one hundred ninety-seven thousand, four hundred eight".

Divisors: 1 2 4 8 16 32 41 82 164 328 656 1312 791309 1582618 3165236 6330472 12660944 25321888 32443669 64887338 129774676 259549352 519098704 1038197408