Base | Representation |
---|---|
bin | 111010000110… |
… | …0000011110100 |
3 | 2010022102122210 |
4 | 1310030003310 |
5 | 30244124400 |
6 | 3004453420 |
7 | 516614061 |
oct | 164140364 |
9 | 63272583 |
10 | 30458100 |
11 | 16213692 |
12 | a24a270 |
13 | 640565a |
14 | 408bc68 |
15 | 2a19950 |
hex | 1d0c0f4 |
30458100 has 36 divisors (see below), whose sum is σ = 88126304. Its totient is φ = 8122080.
The previous prime is 30458081. The next prime is 30458107. The reversal of 30458100 is 185403.
It is a super-2 number, since 2×304581002 = 1855391711220000, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30458107) 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 11 ways as a sum of consecutive naturals, for example, 50464 + ... + 51063.
Almost surely, 230458100 is an apocalyptic number.
30458100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30458100 is an abundant number, since it is smaller than the sum of its proper divisors (57668204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30458100 is a wasteful number, since it uses less digits than its factorization.
30458100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101544 (or 101537 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 30458100 is about 5518.8857571071. The cubic root of 30458100 is about 312.2968492973.
The spelling of 30458100 in words is "thirty million, four hundred fifty-eight thousand, one hundred".
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