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149429682 = 23238921341
BaseRepresentation
bin10001110100000…
…01110110110010
3101102011210222200
420322001312302
5301223222212
622454444030
73463063023
oct1072016662
9342153880
10149429682
1177392806
1242063616
1324c5c43c
1415bbac4a
15d1ba6dc
hex8e81db2

149429682 has 24 divisors (see below), whose sum is σ = 324611820. Its totient is φ = 49679520.

The previous prime is 149429681. The next prime is 149429701. The reversal of 149429682 is 286924941.

149429682 is a `hidden beast` number, since 149 + 429 + 6 + 82 = 666.

149429682 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 142348761 + 7080921 = 11931^2 + 2661^2 .

It is a super-2 number, since 2×1494296822 = 44658459725242248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149429681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3669 + ... + 17672.

Almost surely, 2149429682 is an apocalyptic number.

149429682 is an abundant number, since it is smaller than the sum of its proper divisors (175182138).

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

149429682 is a wasteful number, since it uses less digits than its factorization.

149429682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21738 (or 21735 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 149429682 is about 12224.1434055724. The cubic root of 149429682 is about 530.6550367777.

The spelling of 149429682 in words is "one hundred forty-nine million, four hundred twenty-nine thousand, six hundred eighty-two".

Divisors: 1 2 3 6 9 18 389 778 1167 2334 3501 7002 21341 42682 64023 128046 192069 384138 8301649 16603298 24904947 49809894 74714841 149429682