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149129814 = 23171462057
BaseRepresentation
bin10001110001110…
…00101001010110
3101101121120122110
420320320221112
5301134123224
622444211450
73460403541
oct1070705126
9341546573
10149129814
11771a8489
1241b39b86
1324b85ac2
1415b3d858
15d15b929
hex8e38a56

149129814 has 16 divisors (see below), whose sum is σ = 315804528. Its totient is φ = 46785792.

The previous prime is 149129807. The next prime is 149129819. The reversal of 149129814 is 418921941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149129819) 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 7 ways as a sum of consecutive naturals, for example, 730927 + ... + 731130.

It is an arithmetic number, because the mean of its divisors is an integer number (19737783).

Almost surely, 2149129814 is an apocalyptic number.

149129814 is an abundant number, since it is smaller than the sum of its proper divisors (166674714).

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

149129814 is a wasteful number, since it uses less digits than its factorization.

149129814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462079.

The product of its digits is 20736, while the sum is 39.

The square root of 149129814 is about 12211.8718466908. The cubic root of 149129814 is about 530.2998350900.

The spelling of 149129814 in words is "one hundred forty-nine million, one hundred twenty-nine thousand, eight hundred fourteen".

Divisors: 1 2 3 6 17 34 51 102 1462057 2924114 4386171 8772342 24854969 49709938 74564907 149129814