Base | Representation |
---|---|
bin | 11100100100110010101010 |
3 | 112002120100110 |
4 | 130210302222 |
5 | 3404200410 |
6 | 424315150 |
7 | 120445602 |
oct | 34446252 |
9 | 15076313 |
10 | 7490730 |
11 | 4256995 |
12 | 2612ab6 |
13 | 17236b0 |
14 | dcdc02 |
15 | 9ce720 |
hex | 724caa |
7490730 has 32 divisors (see below), whose sum is σ = 19361664. Its totient is φ = 1843776.
The previous prime is 7490723. The next prime is 7490737. The reversal of 7490730 is 370947.
It is an interprime number because it is at equal distance from previous prime (7490723) and next prime (7490737).
It is a super-2 number, since 2×74907302 = 112222071865800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (7490737) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9214 + ... + 9993.
It is an arithmetic number, because the mean of its divisors is an integer number (605052).
Almost surely, 27490730 is an apocalyptic number.
7490730 is an abundant number, since it is smaller than the sum of its proper divisors (11870934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7490730 is a wasteful number, since it uses less digits than its factorization.
7490730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19230.
The product of its (nonzero) digits is 5292, while the sum is 30.
The square root of 7490730 is about 2736.9198015287. The cubic root of 7490730 is about 195.6627025359.
The spelling of 7490730 in words is "seven million, four hundred ninety thousand, seven hundred thirty".
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