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149429824 = 262334841
BaseRepresentation
bin10001110100000…
…01111001000000
3101102011211011221
420322001321000
5301223223244
622454444424
73463063315
oct1072017100
9342154157
10149429824
1177392925
1242063714
1324c5c51b
1415bbad0c
15d1ba784
hex8e81e40

149429824 has 14 divisors (see below), whose sum is σ = 296524934. Its totient is φ = 74714880.

The previous prime is 149429821. The next prime is 149429849. The reversal of 149429824 is 428924941.

It can be written as a sum of positive squares in only one way, i.e., 148840000 + 589824 = 12200^2 + 768^2 .

It is not an unprimeable number, because it can be changed into a prime (149429821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1167357 + ... + 1167484.

Almost surely, 2149429824 is an apocalyptic number.

It is an amenable number.

149429824 is a deficient number, since it is larger than the sum of its proper divisors (147095110).

149429824 is an equidigital number, since it uses as much as digits as its factorization.

149429824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334853 (or 2334843 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 149429824 is about 12224.1492137490. The cubic root of 149429824 is about 530.6552048679.

The spelling of 149429824 in words is "one hundred forty-nine million, four hundred twenty-nine thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 16 32 64 2334841 4669682 9339364 18678728 37357456 74714912 149429824