Base | Representation |
---|---|
bin | 11011001011010000111100 |
3 | 111101221022220 |
4 | 123023100330 |
5 | 3310432103 |
6 | 412405340 |
7 | 114360522 |
oct | 33132074 |
9 | 14357286 |
10 | 7124028 |
11 | 402642a |
12 | 2476850 |
13 | 1625802 |
14 | d36312 |
15 | 95ac53 |
hex | 6cb43c |
7124028 has 24 divisors (see below), whose sum is σ = 16746240. Its totient is φ = 2357040.
The previous prime is 7124023. The next prime is 7124041. The reversal of 7124028 is 8204217.
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 7123989 and 7124007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7124023) 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, 468 + ... + 3803.
It is an arithmetic number, because the mean of its divisors is an integer number (697760).
Almost surely, 27124028 is an apocalyptic number.
It is an amenable number.
7124028 is an abundant number, since it is smaller than the sum of its proper divisors (9622212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7124028 is a wasteful number, since it uses less digits than its factorization.
7124028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4417 (or 4415 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 24.
The square root of 7124028 is about 2669.0874845160. The cubic root of 7124028 is about 192.4163058896.
The spelling of 7124028 in words is "seven million, one hundred twenty-four thousand, twenty-eight".
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