Base | Representation |
---|---|
bin | 11011111111111111111001 |
3 | 111210220121210 |
4 | 123333333321 |
5 | 3334340100 |
6 | 421153333 |
7 | 116250330 |
oct | 33777771 |
9 | 14726553 |
10 | 7340025 |
11 | 4163740 |
12 | 255b849 |
13 | 169cc14 |
14 | d90d17 |
15 | 99ec50 |
hex | 6ffff9 |
7340025 has 96 divisors (see below), whose sum is σ = 15998976. Its totient is φ = 2880000.
The previous prime is 7340009. The next prime is 7340033. The reversal of 7340025 is 5200437.
It is a happy number.
7340025 is nontrivially palindromic in base 4.
It is not a de Polignac number, because 7340025 - 24 = 7340009 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 7339983 and 7340010.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 179005 + ... + 179045.
It is an arithmetic number, because the mean of its divisors is an integer number (166656).
Almost surely, 27340025 is an apocalyptic number.
7340025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
7340025 is an abundant number, since it is smaller than the sum of its proper divisors (8658951).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7340025 is a wasteful number, since it uses less digits than its factorization.
7340025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103 (or 98 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 21.
The square root of 7340025 is about 2709.2480506591. The cubic root of 7340025 is about 194.3416324205.
The spelling of 7340025 in words is "seven million, three hundred forty thousand, twenty-five".
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