Base | Representation |
---|---|
bin | 10001010100001… |
… | …011100010001000 |
3 | 202020122001220200 |
4 | 101110023202020 |
5 | 1043332042132 |
6 | 44454252200 |
7 | 10125142626 |
oct | 2124134210 |
9 | 666561820 |
10 | 290502792 |
11 | 139a88058 |
12 | 81357060 |
13 | 48254058 |
14 | 2a820516 |
15 | 1a784d7c |
hex | 1150b888 |
290502792 has 24 divisors (see below), whose sum is σ = 786778590. Its totient is φ = 96834240.
The previous prime is 290502791. The next prime is 290502833. The reversal of 290502792 is 297205092.
It can be written as a sum of positive squares in only one way, i.e., 280428516 + 10074276 = 16746^2 + 3174^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (290502791) 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, 2017309 + ... + 2017452.
Almost surely, 2290502792 is an apocalyptic number.
It is an amenable number.
290502792 is an abundant number, since it is smaller than the sum of its proper divisors (496275798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
290502792 is a wasteful number, since it uses less digits than its factorization.
290502792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4034773 (or 4034766 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 36.
The square root of 290502792 is about 17044.1424542275. The cubic root of 290502792 is about 662.2929065296.
The spelling of 290502792 in words is "two hundred ninety million, five hundred two thousand, seven hundred ninety-two".
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