Base | Representation |
---|---|
bin | 10001110110011… |
… | …11101110011000 |
3 | 101102210000111122 |
4 | 20323033232120 |
5 | 301313424012 |
6 | 22505344412 |
7 | 3465561635 |
oct | 1073175630 |
9 | 342700448 |
10 | 149748632 |
11 | 77590400 |
12 | 42198108 |
13 | 25041677 |
14 | 15c6118c |
15 | d22ee72 |
hex | 8ecfb98 |
149748632 has 24 divisors (see below), whose sum is σ = 308626500. Its totient is φ = 68067120.
The previous prime is 149748587. The next prime is 149748637. The reversal of 149748632 is 236847941.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149748637) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76382 + ... + 78317.
Almost surely, 2149748632 is an apocalyptic number.
It is an amenable number.
149748632 is an abundant number, since it is smaller than the sum of its proper divisors (158877868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149748632 is a wasteful number, since it uses less digits than its factorization.
149748632 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154727 (or 154712 counting only the distinct ones).
The product of its digits is 290304, while the sum is 44.
The square root of 149748632 is about 12237.1823554281. The cubic root of 149748632 is about 531.0323204697.
The spelling of 149748632 in words is "one hundred forty-nine million, seven hundred forty-eight thousand, six hundred thirty-two".
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