Base | Representation |
---|---|
bin | 111010101000… |
… | …1101001111000 |
3 | 2010211220200120 |
4 | 1311101221320 |
5 | 30332240120 |
6 | 3014533240 |
7 | 522212130 |
oct | 165215170 |
9 | 63756616 |
10 | 30743160 |
11 | 16398878 |
12 | a367220 |
13 | 64a5326 |
14 | 4123ac0 |
15 | 2a74140 |
hex | 1d51a78 |
30743160 has 64 divisors (see below), whose sum is σ = 105408000. Its totient is φ = 7026816.
The previous prime is 30743149. The next prime is 30743171. The reversal of 30743160 is 6134703.
It is an interprime number because it is at equal distance from previous prime (30743149) and next prime (30743171).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 30743160.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 17460 + ... + 19139.
It is an arithmetic number, because the mean of its divisors is an integer number (1647000).
Almost surely, 230743160 is an apocalyptic number.
30743160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30743160 is an abundant number, since it is smaller than the sum of its proper divisors (74664840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30743160 is a wasteful number, since it uses less digits than its factorization.
30743160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36620 (or 36616 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 24.
The square root of 30743160 is about 5544.6514768739. The cubic root of 30743160 is about 313.2680966746.
Adding to 30743160 its reverse (6134703), we get a palindrome (36877863).
It can be divided in two parts, 30743 and 160, that added together give a palindrome (30903).
The spelling of 30743160 in words is "thirty million, seven hundred forty-three thousand, one hundred sixty".
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