Base | Representation |
---|---|
bin | 111001011001… |
… | …0000100000011 |
3 | 2002121201000000 |
4 | 1302302010003 |
5 | 30200330400 |
6 | 2552531043 |
7 | 513520263 |
oct | 162620403 |
9 | 62551000 |
10 | 30089475 |
11 | 15a91739 |
12 | a0b0a83 |
13 | 6306930 |
14 | 3dd37a3 |
15 | 2995600 |
hex | 1cb2103 |
30089475 has 84 divisors (see below), whose sum is σ = 60718336. Its totient is φ = 14696640.
The previous prime is 30089471. The next prime is 30089489. The reversal of 30089475 is 57498003.
It is not a de Polignac number, because 30089475 - 22 = 30089471 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30089471) by changing a digit.
It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 236862 + ... + 236988.
Almost surely, 230089475 is an apocalyptic number.
30089475 is an abundant number, since it is smaller than the sum of its proper divisors (30628861).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30089475 is a wasteful number, since it uses less digits than its factorization.
30089475 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 168 (or 148 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
The square root of 30089475 is about 5485.3874065557. The cubic root of 30089475 is about 311.0318546928.
The spelling of 30089475 in words is "thirty million, eighty-nine thousand, four hundred seventy-five".
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