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149369886 = 2332766109
BaseRepresentation
bin10001110011100…
…11010000011110
3101102001202222000
420321303100132
5301214314021
622453303130
73462423501
oct1071632036
9342052860
10149369886
1177351896
1242034aa6
1324c3b163
1415ba3138
15d1a7b26
hex8e7341e

149369886 has 16 divisors (see below), whose sum is σ = 331933200. Its totient is φ = 49789944.

The previous prime is 149369863. The next prime is 149369893. The reversal of 149369886 is 688963941.

149369886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1493698862 = 44622725687305992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 2766109 = 149369886 / (1 + 4 + 9 + 3 + 6 + 9 + 8 + 8 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1383001 + ... + 1383108.

It is an arithmetic number, because the mean of its divisors is an integer number (20745825).

Almost surely, 2149369886 is an apocalyptic number.

149369886 is an abundant number, since it is smaller than the sum of its proper divisors (182563314).

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

149369886 is a wasteful number, since it uses less digits than its factorization.

149369886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766120 (or 2766114 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 149369886 is about 12221.6973452954. The cubic root of 149369886 is about 530.5842447690.

The spelling of 149369886 in words is "one hundred forty-nine million, three hundred sixty-nine thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 9 18 27 54 2766109 5532218 8298327 16596654 24894981 49789962 74684943 149369886