Base | Representation |
---|---|
bin | 111011000001… |
… | …0001100011000 |
3 | 2011020000102010 |
4 | 1312002030120 |
5 | 30410120401 |
6 | 3023105520 |
7 | 524000562 |
oct | 166021430 |
9 | 64200363 |
10 | 30941976 |
11 | 1651418a |
12 | a4422a0 |
13 | 6544980 |
14 | 4176332 |
15 | 2ab2ed6 |
hex | 1d82318 |
30941976 has 32 divisors (see below), whose sum is σ = 83306160. Its totient is φ = 9520512.
The previous prime is 30941971. The next prime is 30941987. The reversal of 30941976 is 67914903.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30941971) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49275 + ... + 49898.
Almost surely, 230941976 is an apocalyptic number.
It is an amenable number.
30941976 is an abundant number, since it is smaller than the sum of its proper divisors (52364184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30941976 is a wasteful number, since it uses less digits than its factorization.
30941976 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99195 (or 99191 counting only the distinct ones).
The product of its (nonzero) digits is 40824, while the sum is 39.
The square root of 30941976 is about 5562.5512132474. The cubic root of 30941976 is about 313.9419476976.
The spelling of 30941976 in words is "thirty million, nine hundred forty-one thousand, nine hundred seventy-six".
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