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149222930 = 2514922293
BaseRepresentation
bin10001110010011…
…11011000010010
3101101210022101012
420321033120102
5301200113210
622450210522
73461242163
oct1071173022
9341708335
10149222930
117726143a
1241b83a42
1324bb92bc
1415b6576a
15d179305
hex8e4f612

149222930 has 8 divisors (see below), whose sum is σ = 268601292. Its totient is φ = 59689168.

The previous prime is 149222929. The next prime is 149222959. The reversal of 149222930 is 39222941.

It can be written as a sum of positive squares in 2 ways, for example, as 139027681 + 10195249 = 11791^2 + 3193^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7461137 + ... + 7461156.

Almost surely, 2149222930 is an apocalyptic number.

149222930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149222930 is a deficient number, since it is larger than the sum of its proper divisors (119378362).

149222930 is a wasteful number, since it uses less digits than its factorization.

149222930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14922300.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 149222930 is about 12215.6837712835. The cubic root of 149222930 is about 530.4101844209.

The spelling of 149222930 in words is "one hundred forty-nine million, two hundred twenty-two thousand, nine hundred thirty".

Divisors: 1 2 5 10 14922293 29844586 74611465 149222930