Base | Representation |
---|---|
bin | 111010001010… |
… | …1000001010010 |
3 | 2010101022000010 |
4 | 1310111001102 |
5 | 30301313202 |
6 | 3005335350 |
7 | 520126062 |
oct | 164250122 |
9 | 63338003 |
10 | 30494802 |
11 | 16239218 |
12 | a267556 |
13 | 6419280 |
14 | 409b3a2 |
15 | 2a2576c |
hex | 1d15052 |
30494802 has 16 divisors (see below), whose sum is σ = 65681280. Its totient is φ = 9382992.
The previous prime is 30494797. The next prime is 30494809. The reversal of 30494802 is 20849403.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 30494802.
It is not an unprimeable number, because it can be changed into a prime (30494809) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195402 + ... + 195557.
It is an arithmetic number, because the mean of its divisors is an integer number (4105080).
Almost surely, 230494802 is an apocalyptic number.
30494802 is an abundant number, since it is smaller than the sum of its proper divisors (35186478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30494802 is a wasteful number, since it uses less digits than its factorization.
30494802 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 390977.
The product of its (nonzero) digits is 6912, while the sum is 30.
The square root of 30494802 is about 5522.2098837331. The cubic root of 30494802 is about 312.4222381448.
The spelling of 30494802 in words is "thirty million, four hundred ninety-four thousand, eight hundred two".
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