Base | Representation |
---|---|
bin | 11101000110000011101110 |
3 | 112100111021010 |
4 | 131012003232 |
5 | 3423030430 |
6 | 431250050 |
7 | 121554060 |
oct | 35060356 |
9 | 15314233 |
10 | 7626990 |
11 | 433a2a8 |
12 | 2679926 |
13 | 1770717 |
14 | 1027730 |
15 | a09cb0 |
hex | 7460ee |
7626990 has 32 divisors (see below), whose sum is σ = 20920320. Its totient is φ = 1743264.
The previous prime is 7626979. The next prime is 7626991. The reversal of 7626990 is 996267.
7626990 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7626991) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17950 + ... + 18369.
It is an arithmetic number, because the mean of its divisors is an integer number (653760).
Almost surely, 27626990 is an apocalyptic number.
7626990 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
7626990 is an abundant number, since it is smaller than the sum of its proper divisors (13293330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7626990 is a wasteful number, since it uses less digits than its factorization.
7626990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36336.
The product of its (nonzero) digits is 40824, while the sum is 39.
The square root of 7626990 is about 2761.7005630589. The cubic root of 7626990 is about 196.8419803529.
The spelling of 7626990 in words is "seven million, six hundred twenty-six thousand, nine hundred ninety".
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