Base | Representation |
---|---|
bin | 111001011010… |
… | …1110001100110 |
3 | 2002122110212002 |
4 | 1302311301212 |
5 | 30201322203 |
6 | 2553125302 |
7 | 513612512 |
oct | 162656146 |
9 | 62573762 |
10 | 30104678 |
11 | 15aa20aa |
12 | a0b9832 |
13 | 6310826 |
14 | 3dd9142 |
15 | 2999d88 |
hex | 1cb5c66 |
30104678 has 4 divisors (see below), whose sum is σ = 45157020. Its totient is φ = 15052338.
The previous prime is 30104623. The next prime is 30104699. The reversal of 30104678 is 87640103.
It is a semiprime because it is the product of two primes.
It is a self number, because there is not a number n which added to its sum of digits gives 30104678.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7526168 + ... + 7526171.
It is an arithmetic number, because the mean of its divisors is an integer number (11289255).
Almost surely, 230104678 is an apocalyptic number.
30104678 is a deficient number, since it is larger than the sum of its proper divisors (15052342).
30104678 is a wasteful number, since it uses less digits than its factorization.
30104678 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15052341.
The product of its (nonzero) digits is 4032, while the sum is 29.
The square root of 30104678 is about 5486.7730042348. The cubic root of 30104678 is about 311.0842298297.
The spelling of 30104678 in words is "thirty million, one hundred four thousand, six hundred seventy-eight".
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