Base | Representation |
---|---|
bin | 111010100010… |
… | …0010010011110 |
3 | 2010202010120221 |
4 | 1311010102132 |
5 | 30324012124 |
6 | 3013431554 |
7 | 521563411 |
oct | 165042236 |
9 | 63663527 |
10 | 30688414 |
11 | 16360729 |
12 | a33b5ba |
13 | 6486433 |
14 | 410bb78 |
15 | 2a62ce4 |
hex | 1d4449e |
30688414 has 4 divisors (see below), whose sum is σ = 46032624. Its totient is φ = 15344206.
The previous prime is 30688403. The next prime is 30688423. The reversal of 30688414 is 41488603.
It is a semiprime because it is the product of two primes.
It is a self number, because there is not a number n which added to its sum of digits gives 30688414.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7672102 + ... + 7672105.
It is an arithmetic number, because the mean of its divisors is an integer number (11508156).
Almost surely, 230688414 is an apocalyptic number.
30688414 is a deficient number, since it is larger than the sum of its proper divisors (15344210).
30688414 is a wasteful number, since it uses less digits than its factorization.
30688414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15344209.
The product of its (nonzero) digits is 18432, while the sum is 34.
The square root of 30688414 is about 5539.7124474110. The cubic root of 30688414 is about 313.0820350662.
The spelling of 30688414 in words is "thirty million, six hundred eighty-eight thousand, four hundred fourteen".
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