Base | Representation |
---|---|
bin | 111001110111… |
… | …1011110110000 |
3 | 2010002111002020 |
4 | 1303233132300 |
5 | 30231403130 |
6 | 3002151440 |
7 | 515615562 |
oct | 163573660 |
9 | 63074066 |
10 | 30341040 |
11 | 16143744 |
12 | a1b2580 |
13 | 63942a2 |
14 | 405b332 |
15 | 29e4e10 |
hex | 1cef7b0 |
30341040 has 40 divisors (see below), whose sum is σ = 94057968. Its totient is φ = 8090880.
The previous prime is 30341011. The next prime is 30341053. The reversal of 30341040 is 4014303.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-3 number, since 3×303410403 (a number of 23 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
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, 62971 + ... + 63450.
Almost surely, 230341040 is an apocalyptic number.
30341040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30341040 is an abundant number, since it is smaller than the sum of its proper divisors (63716928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30341040 is a wasteful number, since it uses less digits than its factorization.
30341040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126437 (or 126431 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 30341040 is about 5508.2701458806. The cubic root of 30341040 is about 311.8962508428.
Adding to 30341040 its reverse (4014303), we get a palindrome (34355343).
The spelling of 30341040 in words is "thirty million, three hundred forty-one thousand, forty".
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