Base | Representation |
---|---|
bin | 10010000001111… |
… | …00000001100100 |
3 | 101112120211101021 |
4 | 21000330001210 |
5 | 302204201204 |
6 | 23001340524 |
7 | 3514345201 |
oct | 1100740144 |
9 | 345524337 |
10 | 151240804 |
11 | 7840a500 |
12 | 42797744 |
13 | 25444900 |
14 | 1612cca8 |
15 | d427154 |
hex | 903c064 |
151240804 has 81 divisors (see below), whose sum is σ = 322516089. Its totient is φ = 61981920.
The previous prime is 151240799. The next prime is 151240807. The reversal of 151240804 is 408042151.
The square root of 151240804 is 12298.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 22372900 + 128867904 = 4730^2 + 11352^2 .
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (151240807) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3517207 + ... + 3517249.
Almost surely, 2151240804 is an apocalyptic number.
151240804 is the 12298-th square number.
It is an amenable number.
151240804 is an abundant number, since it is smaller than the sum of its proper divisors (171275285).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151240804 is a wasteful number, since it uses less digits than its factorization.
151240804 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138 (or 69 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 25.
The cubic root of 151240804 is about 532.7903200618.
Multiplying 151240804 by its sum of digits (25), we get a square (3781020100 = 614902).
Adding to 151240804 its reverse (408042151), we get a palindrome (559282955).
The spelling of 151240804 in words is "one hundred fifty-one million, two hundred forty thousand, eight hundred four".
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