Base | Representation |
---|---|
bin | 11100010101100010001000 |
3 | 111222101121201 |
4 | 130111202020 |
5 | 3400200412 |
6 | 423113544 |
7 | 120065440 |
oct | 34254210 |
9 | 14871551 |
10 | 7428232 |
11 | 4213a39 |
12 | 25a28b4 |
13 | 1701106 |
14 | db5120 |
15 | 9bae57 |
hex | 715888 |
7428232 has 16 divisors (see below), whose sum is σ = 15917760. Its totient is φ = 3183504.
The previous prime is 7428227. The next prime is 7428271. The reversal of 7428232 is 2328247.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a self number, because there is not a number n which added to its sum of digits gives 7428232.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66268 + ... + 66379.
It is an arithmetic number, because the mean of its divisors is an integer number (994860).
Almost surely, 27428232 is an apocalyptic number.
It is an amenable number.
7428232 is an abundant number, since it is smaller than the sum of its proper divisors (8489528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7428232 is a wasteful number, since it uses less digits than its factorization.
7428232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132660 (or 132656 counting only the distinct ones).
The product of its digits is 5376, while the sum is 28.
The square root of 7428232 is about 2725.4783066464. The cubic root of 7428232 is about 195.1170193967.
It can be divided in two parts, 7428 and 232, that multiplied together give a triangular number (1723296 = T1856).
The spelling of 7428232 in words is "seven million, four hundred twenty-eight thousand, two hundred thirty-two".
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