Base | Representation |
---|---|
bin | 111010011100… |
… | …0111001000110 |
3 | 2010122202120001 |
4 | 1310320321012 |
5 | 30321013414 |
6 | 3012431514 |
7 | 521310334 |
oct | 164707106 |
9 | 63582501 |
10 | 30641734 |
11 | 16329652 |
12 | a31859a |
13 | 646b106 |
14 | 40d8b54 |
15 | 2a54074 |
hex | 1d38e46 |
30641734 has 4 divisors (see below), whose sum is σ = 45962604. Its totient is φ = 15320866.
The previous prime is 30641731. The next prime is 30641749. The reversal of 30641734 is 43714603.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30641731) 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 as a sum of consecutive naturals, namely, 7660432 + ... + 7660435.
It is an arithmetic number, because the mean of its divisors is an integer number (11490651).
Almost surely, 230641734 is an apocalyptic number.
30641734 is a deficient number, since it is larger than the sum of its proper divisors (15320870).
30641734 is a wasteful number, since it uses less digits than its factorization.
30641734 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15320869.
The product of its (nonzero) digits is 6048, while the sum is 28.
The square root of 30641734 is about 5535.4976289400. The cubic root of 30641734 is about 312.9232119811.
It can be divided in two parts, 30641 and 734, that added together give a triangular number (31375 = T250).
The spelling of 30641734 in words is "thirty million, six hundred forty-one thousand, seven hundred thirty-four".
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