Search a number
-
+
1349827808 = 2576026017
BaseRepresentation
bin101000001110100…
…1011110011100000
310111001221100122112
41100131023303200
510231023442213
6341535254452
745310230020
oct12035136340
93431840575
101349827808
11632a4067a
1231807a428
13186862ba4
14cb3b1a80
157d783ea8
hex5074bce0

1349827808 has 24 divisors (see below), whose sum is σ = 3037113072. Its totient is φ = 578497536.

The previous prime is 1349827777. The next prime is 1349827819. The reversal of 1349827808 is 8087289431.

It is a super-2 number, since 2×13498278082 = 3644070222500169728, which contains 22 as substring.

It is a congruent number.

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, 3012785 + ... + 3013232.

It is an arithmetic number, because the mean of its divisors is an integer number (126546378).

Almost surely, 21349827808 is an apocalyptic number.

It is an amenable number.

1349827808 is an abundant number, since it is smaller than the sum of its proper divisors (1687285264).

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

1349827808 is an equidigital number, since it uses as much as digits as its factorization.

1349827808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6026034 (or 6026026 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 1349827808 is about 36740.0028307021. The cubic root of 1349827808 is about 1105.1624579088.

The spelling of 1349827808 in words is "one billion, three hundred forty-nine million, eight hundred twenty-seven thousand, eight hundred eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 6026017 12052034 24104068 42182119 48208136 84364238 96416272 168728476 192832544 337456952 674913904 1349827808