Base | Representation |
---|---|
bin | 101001001000001… |
… | …001001111111100 |
3 | 1210002100200021121 |
4 | 221020021033330 |
5 | 2403120012032 |
6 | 152245040324 |
7 | 23045624260 |
oct | 5110111774 |
9 | 1702320247 |
10 | 690000892 |
11 | 32453a979 |
12 | 1730b60a4 |
13 | acc4b069 |
14 | 678d40a0 |
15 | 40899a97 |
hex | 292093fc |
690000892 has 24 divisors (see below), whose sum is σ = 1393670880. Its totient is φ = 292785600.
The previous prime is 690000877. The next prime is 690000893. The reversal of 690000892 is 298000096.
It is a super-2 number, since 2×6900008922 = 952202461921591328, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (690000893) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119167 + ... + 124822.
It is an arithmetic number, because the mean of its divisors is an integer number (58069620).
Almost surely, 2690000892 is an apocalyptic number.
It is an amenable number.
690000892 is an abundant number, since it is smaller than the sum of its proper divisors (703669988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
690000892 is a wasteful number, since it uses less digits than its factorization.
690000892 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244101 (or 244099 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 34.
The square root of 690000892 is about 26267.8680520517. The cubic root of 690000892 is about 883.6559730232.
The spelling of 690000892 in words is "six hundred ninety million, eight hundred ninety-two", and thus it is an aban number.
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