Base | Representation |
---|---|
bin | 10001111100001… |
… | …00001100000100 |
3 | 101111011120110200 |
4 | 20332010030010 |
5 | 302011102222 |
6 | 22533250500 |
7 | 3505060656 |
oct | 1076041404 |
9 | 344146420 |
10 | 150487812 |
11 | 77a457a2 |
12 | 42493a30 |
13 | 2523cc57 |
14 | 15db46d6 |
15 | d328eac |
hex | 8f84304 |
150487812 has 18 divisors (see below), whose sum is σ = 380399838. Its totient is φ = 50162592.
The previous prime is 150487801. The next prime is 150487817. The reversal of 150487812 is 218784051.
It can be written as a sum of positive squares in only one way, i.e., 101123136 + 49364676 = 10056^2 + 7026^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4180217 = 150487812 / (1 + 5 + 0 + 4 + 8 + 7 + 8 + 1 + 2).
It is not an unprimeable number, because it can be changed into a prime (150487817) 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, 2090073 + ... + 2090144.
Almost surely, 2150487812 is an apocalyptic number.
150487812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
150487812 is an abundant number, since it is smaller than the sum of its proper divisors (229912026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
150487812 is a wasteful number, since it uses less digits than its factorization.
150487812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4180227 (or 4180222 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 36.
The square root of 150487812 is about 12267.3473905323. The cubic root of 150487812 is about 531.9046364578.
The spelling of 150487812 in words is "one hundred fifty million, four hundred eighty-seven thousand, eight hundred twelve".
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