Base | Representation |
---|---|
bin | 111001111011… |
… | …1110111101010 |
3 | 2010011020012220 |
4 | 1303313313222 |
5 | 30234003102 |
6 | 3003014510 |
7 | 516121011 |
oct | 163676752 |
9 | 63136186 |
10 | 30375402 |
11 | 16167542 |
12 | a20a436 |
13 | 63a6b15 |
14 | 4069a78 |
15 | 2a001bc |
hex | 1cf7dea |
30375402 has 8 divisors (see below), whose sum is σ = 60750816. Its totient is φ = 10125132.
The previous prime is 30375391. The next prime is 30375403. The reversal of 30375402 is 20457303.
It is a sphenic number, since it is the product of 3 distinct primes.
30375402 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (30375403) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2531278 + ... + 2531289.
It is an arithmetic number, because the mean of its divisors is an integer number (7593852).
Almost surely, 230375402 is an apocalyptic number.
30375402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30375402 is a wasteful number, since it uses less digits than its factorization.
30375402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5062572.
The product of its (nonzero) digits is 2520, while the sum is 24.
The square root of 30375402 is about 5511.3883913221. The cubic root of 30375402 is about 312.0139499022.
The spelling of 30375402 in words is "thirty million, three hundred seventy-five thousand, four hundred two".
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