Base | Representation |
---|---|
bin | 111001011001… |
… | …0010010000111 |
3 | 2002121202020100 |
4 | 1302302102013 |
5 | 30200343000 |
6 | 2552535143 |
7 | 513523020 |
oct | 162622207 |
9 | 62552210 |
10 | 30090375 |
11 | 15a92387 |
12 | a0b14b3 |
13 | 6307173 |
14 | 3dd3c47 |
15 | 2995a00 |
hex | 1cb2487 |
30090375 has 48 divisors (see below), whose sum is σ = 62008128. Its totient is φ = 13752000.
The previous prime is 30090353. The next prime is 30090397. The reversal of 30090375 is 57309003.
It is an interprime number because it is at equal distance from previous prime (30090353) and next prime (30090397).
It is not a de Polignac number, because 30090375 - 26 = 30090311 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5965 + ... + 9785.
It is an arithmetic number, because the mean of its divisors is an integer number (1291836).
Almost surely, 230090375 is an apocalyptic number.
30090375 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30090375 is an abundant number, since it is smaller than the sum of its proper divisors (31917753).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30090375 is a wasteful number, since it uses less digits than its factorization.
30090375 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3849 (or 3836 counting only the distinct ones).
The product of its (nonzero) digits is 2835, while the sum is 27.
The square root of 30090375 is about 5485.4694420806. The cubic root of 30090375 is about 311.0349557315.
Adding to 30090375 its reverse (57309003), we get a palindrome (87399378).
The spelling of 30090375 in words is "thirty million, ninety thousand, three hundred seventy-five".
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