Base | Representation |
---|---|
bin | 111010100010… |
… | …1111000011001 |
3 | 2010202110112112 |
4 | 1311011320121 |
5 | 30324214222 |
6 | 3013522105 |
7 | 521621420 |
oct | 165057031 |
9 | 63673475 |
10 | 30694937 |
11 | 16365619 |
12 | a343335 |
13 | 64893b0 |
14 | 41102b7 |
15 | 2a64be2 |
hex | 1d45e19 |
30694937 has 32 divisors (see below), whose sum is σ = 40830720. Its totient is φ = 22394880.
The previous prime is 30694919. The next prime is 30694969. The reversal of 30694937 is 73949603.
It is a cyclic number.
It is not a de Polignac number, because 30694937 - 222 = 26500633 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (41).
It is a junction number, because it is equal to n+sod(n) for n = 30694894 and 30694903.
It is not an unprimeable number, because it can be changed into a prime (30694907) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70673 + ... + 71105.
It is an arithmetic number, because the mean of its divisors is an integer number (1275960).
Almost surely, 230694937 is an apocalyptic number.
It is an amenable number.
30694937 is a deficient number, since it is larger than the sum of its proper divisors (10135783).
30694937 is a wasteful number, since it uses less digits than its factorization.
30694937 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 513.
The product of its (nonzero) digits is 122472, while the sum is 41.
The square root of 30694937 is about 5540.3011650992. The cubic root of 30694937 is about 313.1042159609.
The spelling of 30694937 in words is "thirty million, six hundred ninety-four thousand, nine hundred thirty-seven".
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