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149628706 = 2241310433
BaseRepresentation
bin10001110101100…
…10011100100010
3101102112220222221
420322302130202
5301301104311
622503021254
73464552203
oct1072623442
9342486887
10149628706
1177509297
124213a82a
1324ccbbc6
1415c2d5aa
15d209671
hex8eb2722

149628706 has 8 divisors (see below), whose sum is σ = 225375084. Its totient is φ = 74503680.

The previous prime is 149628701. The next prime is 149628707. The reversal of 149628706 is 607826941.

It can be written as a sum of positive squares in 2 ways, for example, as 126675025 + 22953681 = 11255^2 + 4791^2 .

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

It is not an unprimeable number, because it can be changed into a prime (149628701) 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 3 ways as a sum of consecutive naturals, for example, 154735 + ... + 155698.

Almost surely, 2149628706 is an apocalyptic number.

149628706 is a deficient number, since it is larger than the sum of its proper divisors (75746378).

149628706 is a wasteful number, since it uses less digits than its factorization.

149628706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310676.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 149628706 is about 12232.2813080799. The cubic root of 149628706 is about 530.8905237594.

The spelling of 149628706 in words is "one hundred forty-nine million, six hundred twenty-eight thousand, seven hundred six".

Divisors: 1 2 241 482 310433 620866 74814353 149628706