Search a number
-
+
149351679 = 3216594631
BaseRepresentation
bin10001110011011…
…10110011111111
3101102000211222200
420321232303333
5301213223204
622453042543
73462316431
oct1071566377
9342024880
10149351679
117733a144
1242026453
1324c32a99
1415b9a651
15d1a2539
hex8e6ecff

149351679 has 6 divisors (see below), whose sum is σ = 215730216. Its totient is φ = 99567780.

The previous prime is 149351677. The next prime is 149351687. The reversal of 149351679 is 976153941.

It is not a de Polignac number, because 149351679 - 21 = 149351677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149351677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8297307 + ... + 8297324.

It is an arithmetic number, because the mean of its divisors is an integer number (35955036).

Almost surely, 2149351679 is an apocalyptic number.

149351679 is a deficient number, since it is larger than the sum of its proper divisors (66378537).

149351679 is a wasteful number, since it uses less digits than its factorization.

149351679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16594637 (or 16594634 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 149351679 is about 12220.9524587898. The cubic root of 149351679 is about 530.5626858945.

The spelling of 149351679 in words is "one hundred forty-nine million, three hundred fifty-one thousand, six hundred seventy-nine".

Divisors: 1 3 9 16594631 49783893 149351679