Base | Representation |
---|---|
bin | 111001111001… |
… | …0100111011000 |
3 | 2010010010200210 |
4 | 1303302213120 |
5 | 30232311010 |
6 | 3002331120 |
7 | 516001164 |
oct | 163624730 |
9 | 63103623 |
10 | 30353880 |
11 | 16152357 |
12 | a1b9aa0 |
13 | 639a09b |
14 | 4061ca4 |
15 | 29e8b20 |
hex | 1cf29d8 |
30353880 has 32 divisors (see below), whose sum is σ = 91062000. Its totient is φ = 8094336.
The previous prime is 30353863. The next prime is 30353941. The reversal of 30353880 is 8835303.
It is a super-3 number, since 3×303538803 (a number of 23 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126355 + ... + 126594.
Almost surely, 230353880 is an apocalyptic number.
30353880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30353880 is an abundant number, since it is smaller than the sum of its proper divisors (60708120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30353880 is a wasteful number, since it uses less digits than its factorization.
30353880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 252963 (or 252959 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 30.
The square root of 30353880 is about 5509.4355427757. The cubic root of 30353880 is about 311.9402416780.
The spelling of 30353880 in words is "thirty million, three hundred fifty-three thousand, eight hundred eighty".
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