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149231159 = 7111938067
BaseRepresentation
bin10001110010100…
…01011000110111
3101101210201122222
420321101120313
5301200344114
622450312555
73461305160
oct1071213067
9341721588
10149231159
1177267640
1241b8875b
1324bbcc7c
1415b68767
15d17b98e
hex8e51637

149231159 has 8 divisors (see below), whose sum is σ = 186054528. Its totient is φ = 116283960.

The previous prime is 149231123. The next prime is 149231183. The reversal of 149231159 is 951132941.

It is a happy number.

149231159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-149231159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149231189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968957 + ... + 969110.

It is an arithmetic number, because the mean of its divisors is an integer number (23256816).

Almost surely, 2149231159 is an apocalyptic number.

149231159 is a deficient number, since it is larger than the sum of its proper divisors (36823369).

149231159 is a wasteful number, since it uses less digits than its factorization.

149231159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938085.

The product of its digits is 9720, while the sum is 35.

The square root of 149231159 is about 12216.0205877364. The cubic root of 149231159 is about 530.4199341852.

The spelling of 149231159 in words is "one hundred forty-nine million, two hundred thirty-one thousand, one hundred fifty-nine".

Divisors: 1 7 11 77 1938067 13566469 21318737 149231159