Base | Representation |
---|---|
bin | 111010001111… |
… | …1111011010000 |
3 | 2010110120021120 |
4 | 1310133323100 |
5 | 30304230342 |
6 | 3010322240 |
7 | 520403235 |
oct | 164377320 |
9 | 63416246 |
10 | 30539472 |
11 | 16269837 |
12 | a289380 |
13 | 64336c2 |
14 | 40ad78c |
15 | 2a33aec |
hex | 1d1fed0 |
30539472 has 40 divisors (see below), whose sum is σ = 80578176. Its totient is φ = 9962496.
The previous prime is 30539461. The next prime is 30539489. The reversal of 30539472 is 27493503.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4513 + ... + 9024.
Almost surely, 230539472 is an apocalyptic number.
It is an amenable number.
30539472 is an abundant number, since it is smaller than the sum of its proper divisors (50038704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30539472 is a wasteful number, since it uses less digits than its factorization.
30539472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13595 (or 13589 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 33.
The square root of 30539472 is about 5526.2529800942. The cubic root of 30539472 is about 312.5747132293.
The spelling of 30539472 in words is "thirty million, five hundred thirty-nine thousand, four hundred seventy-two".
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