Base | Representation |
---|---|
bin | 111010001001… |
… | …1100101011101 |
3 | 2010100222221110 |
4 | 1310103211131 |
5 | 30301121200 |
6 | 3005252233 |
7 | 520102665 |
oct | 164234535 |
9 | 63328843 |
10 | 30488925 |
11 | 16234865 |
12 | a264079 |
13 | 64166ac |
14 | 40991a5 |
15 | 2a23b50 |
hex | 1d1395d |
30488925 has 24 divisors (see below), whose sum is σ = 51775456. Its totient is φ = 15819840.
The previous prime is 30488917. The next prime is 30488933. The reversal of 30488925 is 52988403.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (30488917) and next prime (30488933).
It is not a de Polignac number, because 30488925 - 23 = 30488917 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2719 + ... + 8268.
Almost surely, 230488925 is an apocalyptic number.
It is an amenable number.
30488925 is a deficient number, since it is larger than the sum of its proper divisors (21286531).
30488925 is a wasteful number, since it uses less digits than its factorization.
30488925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11037 (or 11032 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 39.
The square root of 30488925 is about 5521.6777341674. The cubic root of 30488925 is about 312.4021667082.
It can be divided in two parts, 30488 and 925, that added together give a palindrome (31413).
The spelling of 30488925 in words is "thirty million, four hundred eighty-eight thousand, nine hundred twenty-five".
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