Base | Representation |
---|---|
bin | 111011000100… |
… | …1101010111010 |
3 | 2011021120102102 |
4 | 1312021222322 |
5 | 30412110402 |
6 | 3023503402 |
7 | 524156063 |
oct | 166115272 |
9 | 64246372 |
10 | 30972602 |
11 | 165351a1 |
12 | a457b62 |
13 | 65558ab |
14 | 418356a |
15 | 2abc102 |
hex | 1d89aba |
30972602 has 8 divisors (see below), whose sum is σ = 46608276. Its totient is φ = 15436512.
The previous prime is 30972593. The next prime is 30972607. The reversal of 30972602 is 20627903.
It can be written as a sum of positive squares in 2 ways, for example, as 23902321 + 7070281 = 4889^2 + 2659^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (30972607) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24113 + ... + 25364.
Almost surely, 230972602 is an apocalyptic number.
30972602 is a deficient number, since it is larger than the sum of its proper divisors (15635674).
30972602 is a wasteful number, since it uses less digits than its factorization.
30972602 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49792.
The product of its (nonzero) digits is 4536, while the sum is 29.
The square root of 30972602 is about 5565.3034059250. The cubic root of 30972602 is about 314.0454922120.
The spelling of 30972602 in words is "thirty million, nine hundred seventy-two thousand, six hundred two".
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