Base | Representation |
---|---|
bin | 10000110001110100… |
… | …10111111111111001 |
3 | 212020202221020122022 |
4 | 20120322113333321 |
5 | 121422004443200 |
6 | 4045502204225 |
7 | 436136543132 |
oct | 103072277771 |
9 | 25222836568 |
10 | 9007890425 |
11 | 39027a0446 |
12 | 18b4883675 |
13 | b072b38a1 |
14 | 6164aac89 |
15 | 37ac39885 |
hex | 218e97ff9 |
9007890425 has 12 divisors (see below), whose sum is σ = 11251319676. Its totient is φ = 7153708800.
The previous prime is 9007890403. The next prime is 9007890427. The reversal of 9007890425 is 5240987009.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 1278491536 + 7729398889 = 35756^2 + 87917^2 .
It is not a de Polignac number, because 9007890425 - 214 = 9007874041 is a prime.
It is a super-2 number, since 2×90078904252 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (9007890427) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1311596 + ... + 1318445.
It is an arithmetic number, because the mean of its divisors is an integer number (937609973).
Almost surely, 29007890425 is an apocalyptic number.
It is an amenable number.
9007890425 is a deficient number, since it is larger than the sum of its proper divisors (2243429251).
9007890425 is a wasteful number, since it uses less digits than its factorization.
9007890425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2630188 (or 2630183 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 44.
The square root of 9007890425 is about 94909.9068854248. The cubic root of 9007890425 is about 2080.6915249522.
The spelling of 9007890425 in words is "nine billion, seven million, eight hundred ninety thousand, four hundred twenty-five".
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