Base | Representation |
---|---|
bin | 11010110111011010111110 |
3 | 111020210211121 |
4 | 122313122332 |
5 | 3300332000 |
6 | 410541154 |
7 | 113601541 |
oct | 32673276 |
9 | 14223747 |
10 | 7042750 |
11 | 3a80360 |
12 | 24377ba |
13 | 15c7810 |
14 | d14858 |
15 | 941b1a |
hex | 6b76be |
7042750 has 64 divisors (see below), whose sum is σ = 15567552. Its totient is φ = 2352000.
The previous prime is 7042747. The next prime is 7042753. The reversal of 7042750 is 572407.
It is an interprime number because it is at equal distance from previous prime (7042747) and next prime (7042753).
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7042753) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35652 + ... + 35848.
It is an arithmetic number, because the mean of its divisors is an integer number (243243).
Almost surely, 27042750 is an apocalyptic number.
7042750 is the 2167-th pentagonal number.
7042750 is an abundant number, since it is smaller than the sum of its proper divisors (8524802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7042750 is a wasteful number, since it uses less digits than its factorization.
7042750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 238 (or 228 counting only the distinct ones).
The product of its (nonzero) digits is 1960, while the sum is 25.
The square root of 7042750 is about 2653.8180043100. The cubic root of 7042750 is about 191.6817463456.
The spelling of 7042750 in words is "seven million, forty-two thousand, seven hundred fifty".
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