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149348311 = 7106320071
BaseRepresentation
bin10001110011011…
…01111111010111
3101102000200100221
420321231333113
5301213121221
622453015211
73462303550
oct1071557727
9342020327
10149348311
1177337662
1242024507
1324c313a8
1415b99327
15d1a1541
hex8e6dfd7

149348311 has 8 divisors (see below), whose sum is σ = 170852864. Its totient is φ = 127886040.

The previous prime is 149348273. The next prime is 149348321. The reversal of 149348311 is 113843941.

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 149348311 - 27 = 149348183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149348321) 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 7 ways as a sum of consecutive naturals, for example, 2595 + ... + 17476.

It is an arithmetic number, because the mean of its divisors is an integer number (21356608).

Almost surely, 2149348311 is an apocalyptic number.

149348311 is a deficient number, since it is larger than the sum of its proper divisors (21504553).

149348311 is a wasteful number, since it uses less digits than its factorization.

149348311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21141.

The product of its digits is 10368, while the sum is 34.

The square root of 149348311 is about 12220.8146618791. The cubic root of 149348311 is about 530.5586976600.

The spelling of 149348311 in words is "one hundred forty-nine million, three hundred forty-eight thousand, three hundred eleven".

Divisors: 1 7 1063 7441 20071 140497 21335473 149348311