Base | Representation |
---|---|
bin | 11110111111111… |
… | …110011101100000 |
3 | 1100020122011210000 |
4 | 132333332131200 |
5 | 2031120244032 |
6 | 123335140000 |
7 | 15613445526 |
oct | 3677763540 |
9 | 1306564700 |
10 | 520087392 |
11 | 2476373a0 |
12 | 126214600 |
13 | 83999226 |
14 | 4d104316 |
15 | 309d4e7c |
hex | 1effe760 |
520087392 has 480 divisors, whose sum is σ = 1877087520. Its totient is φ = 139345920.
The previous prime is 520087349. The next prime is 520087397. The reversal of 520087392 is 293780025.
It is a happy number.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (520087397) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 14056398 + ... + 14056434.
It is an arithmetic number, because the mean of its divisors is an integer number (3910599).
Almost surely, 2520087392 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 520087392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (938543760).
520087392 is an abundant number, since it is smaller than the sum of its proper divisors (1357000128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
520087392 is a wasteful number, since it uses less digits than its factorization.
520087392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116 (or 99 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
The square root of 520087392 is about 22805.4246178404. The cubic root of 520087392 is about 804.1901978182.
The spelling of 520087392 in words is "five hundred twenty million, eighty-seven thousand, three hundred ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •