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149323135 = 51319311903
BaseRepresentation
bin10001110011001…
…11110101111111
3101101222101211111
420321213311333
5301211320020
622452302451
73462140263
oct1071476577
9341871744
10149323135
117731a755
1242011a27
1324c22ab0
1415b900a3
15d198d5a
hex8e67d7f

149323135 has 16 divisors (see below), whose sum is σ = 193987584. Its totient is φ = 109688832.

The previous prime is 149323127. The next prime is 149323151. The reversal of 149323135 is 531323941.

It is a cyclic number.

It is not a de Polignac number, because 149323135 - 23 = 149323127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149323097 and 149323106.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6594 + ... + 18496.

It is an arithmetic number, because the mean of its divisors is an integer number (12124224).

Almost surely, 2149323135 is an apocalyptic number.

149323135 is a deficient number, since it is larger than the sum of its proper divisors (44664449).

149323135 is a wasteful number, since it uses less digits than its factorization.

149323135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12114.

The product of its digits is 9720, while the sum is 31.

The square root of 149323135 is about 12219.7845725692. The cubic root of 149323135 is about 530.5288834708.

The spelling of 149323135 in words is "one hundred forty-nine million, three hundred twenty-three thousand, one hundred thirty-five".

Divisors: 1 5 13 65 193 965 2509 11903 12545 59515 154739 773695 2297279 11486395 29864627 149323135