Base | Representation |
---|---|
bin | 111010000001… |
… | …0001101101000 |
3 | 2010020101100000 |
4 | 1310002031220 |
5 | 30241332033 |
6 | 3003543000 |
7 | 516355353 |
oct | 164021550 |
9 | 63211300 |
10 | 30417768 |
11 | 16196357 |
12 | a22aa60 |
13 | 63c01a4 |
14 | 407b29a |
15 | 2a0ca13 |
hex | 1d02368 |
30417768 has 48 divisors (see below), whose sum is σ = 85438080. Its totient is φ = 10138608.
The previous prime is 30417733. The next prime is 30417823. The reversal of 30417768 is 86771403.
It is a super-2 number, since 2×304177682 = 1850481220203648, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5880 + ... + 9767.
It is an arithmetic number, because the mean of its divisors is an integer number (1779960).
Almost surely, 230417768 is an apocalyptic number.
It is an amenable number.
30417768 is an abundant number, since it is smaller than the sum of its proper divisors (55020312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30417768 is a wasteful number, since it uses less digits than its factorization.
30417768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15668 (or 15652 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 36.
The square root of 30417768 is about 5515.2305482183. The cubic root of 30417768 is about 312.1589426845.
The spelling of 30417768 in words is "thirty million, four hundred seventeen thousand, seven hundred sixty-eight".
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