Base | Representation |
---|---|
bin | 111010000000… |
… | …0000011000110 |
3 | 2010012221011122 |
4 | 1310000003012 |
5 | 30241041102 |
6 | 3003433542 |
7 | 516320456 |
oct | 164000306 |
9 | 63187148 |
10 | 30408902 |
11 | 1618a727 |
12 | a2258b2 |
13 | 63b9144 |
14 | 4077d66 |
15 | 2a0a0a2 |
hex | 1d000c6 |
30408902 has 8 divisors (see below), whose sum is σ = 45877536. Its totient is φ = 15116392.
The previous prime is 30408883. The next prime is 30408913. The reversal of 30408902 is 20980403.
30408902 is nontrivially palindromic in base 15.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43598 + ... + 44289.
It is an arithmetic number, because the mean of its divisors is an integer number (5734692).
Almost surely, 230408902 is an apocalyptic number.
30408902 is a deficient number, since it is larger than the sum of its proper divisors (15468634).
30408902 is a wasteful number, since it uses less digits than its factorization.
30408902 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88062.
The product of its (nonzero) digits is 1728, while the sum is 26.
The square root of 30408902 is about 5514.4267154438. The cubic root of 30408902 is about 312.1286109594.
The spelling of 30408902 in words is "thirty million, four hundred eight thousand, nine hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •