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149438162 = 274719081
BaseRepresentation
bin10001110100000…
…11111011010010
3101102012020121202
420322003323102
5301224010122
622454551202
73463126526
oct1072037322
9342166552
10149438162
1177399115
1242068502
1324c63263
1415bbdd86
15d1bce92
hex8e83ed2

149438162 has 4 divisors (see below), whose sum is σ = 224157246. Its totient is φ = 74719080.

The previous prime is 149438161. The next prime is 149438167. The reversal of 149438162 is 261834941.

149438162 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 261834941 = 2571018813.

It can be written as a sum of positive squares in only one way, i.e., 99580441 + 49857721 = 9979^2 + 7061^2 .

It is not an unprimeable number, because it can be changed into a prime (149438161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37359539 + ... + 37359542.

Almost surely, 2149438162 is an apocalyptic number.

149438162 is a deficient number, since it is larger than the sum of its proper divisors (74719084).

149438162 is an equidigital number, since it uses as much as digits as its factorization.

149438162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74719083.

The product of its digits is 41472, while the sum is 38.

The square root of 149438162 is about 12224.4902552213. The cubic root of 149438162 is about 530.6650746531.

The spelling of 149438162 in words is "one hundred forty-nine million, four hundred thirty-eight thousand, one hundred sixty-two".

Divisors: 1 2 74719081 149438162