Base | Representation |
---|---|
bin | 10001110100010… |
… | …00000100100000 |
3 | 101102020002220102 |
4 | 20322020010200 |
5 | 301230031021 |
6 | 22455201532 |
7 | 3463230155 |
oct | 1072100440 |
9 | 342202812 |
10 | 149455136 |
11 | 773aa946 |
12 | 420762a8 |
13 | 24c6abbc |
14 | 15bc622c |
15 | d1c300b |
hex | 8e88120 |
149455136 has 24 divisors (see below), whose sum is σ = 302194620. Its totient is φ = 72707328.
The previous prime is 149455133. The next prime is 149455153. The reversal of 149455136 is 631554941.
It can be written as a sum of positive squares in 2 ways, for example, as 149328400 + 126736 = 12220^2 + 356^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 149455136.
It is not an unprimeable number, because it can be changed into a prime (149455133) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61931 + ... + 64298.
Almost surely, 2149455136 is an apocalyptic number.
149455136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
149455136 is an abundant number, since it is smaller than the sum of its proper divisors (152739484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149455136 is a wasteful number, since it uses less digits than its factorization.
149455136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126276 (or 126268 counting only the distinct ones).
The product of its digits is 64800, while the sum is 38.
The square root of 149455136 is about 12225.1844975853. The cubic root of 149455136 is about 530.6851658352.
The spelling of 149455136 in words is "one hundred forty-nine million, four hundred fifty-five thousand, one hundred thirty-six".
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