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149359939 = 3174571031
BaseRepresentation
bin10001110011100…
…00110101000011
3101102001021022121
420321300311003
5301214004224
622453145111
73462352501
oct1071606503
9342037277
10149359939
1177345373
124202b197
1324c36781
1415b9d671
15d1a4be4
hex8e70d43

149359939 has 8 divisors (see below), whose sum is σ = 150304608. Its totient is φ = 148418880.

The previous prime is 149359913. The next prime is 149359949. The reversal of 149359939 is 939953941.

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

It is a cyclic number.

It is not a de Polignac number, because 149359939 - 27 = 149359811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149359949) 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, 144354 + ... + 145384.

It is an arithmetic number, because the mean of its divisors is an integer number (18788076).

Almost surely, 2149359939 is an apocalyptic number.

149359939 is a deficient number, since it is larger than the sum of its proper divisors (944669).

149359939 is a wasteful number, since it uses less digits than its factorization.

149359939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805.

The product of its digits is 1180980, while the sum is 52.

The square root of 149359939 is about 12221.2903983172. The cubic root of 149359939 is about 530.5724667622.

The spelling of 149359939 in words is "one hundred forty-nine million, three hundred fifty-nine thousand, nine hundred thirty-nine".

Divisors: 1 317 457 1031 144869 326827 471167 149359939