Base | Representation |
---|---|
bin | 111010100010… |
… | …0100110100000 |
3 | 2010202012100102 |
4 | 1311010212200 |
5 | 30324032241 |
6 | 3013441532 |
7 | 521600222 |
oct | 165044640 |
9 | 63665312 |
10 | 30689696 |
11 | 16361694 |
12 | a3402a8 |
13 | 6486bab |
14 | 410c412 |
15 | 2a6339b |
hex | 1d449a0 |
30689696 has 24 divisors (see below), whose sum is σ = 60653124. Its totient is φ = 15285760.
The previous prime is 30689669. The next prime is 30689717. The reversal of 30689696 is 69698603.
It can be written as a sum of positive squares in 2 ways, for example, as 26832400 + 3857296 = 5180^2 + 1964^2 .
It is a pancake number, because a pancake can be divided into 30689696 parts by 7834 straight cuts.
It is a self number, because there is not a number n which added to its sum of digits gives 30689696.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7286 + ... + 10698.
Almost surely, 230689696 is an apocalyptic number.
It is an amenable number.
30689696 is a deficient number, since it is larger than the sum of its proper divisors (29963428).
30689696 is a wasteful number, since it uses less digits than its factorization.
30689696 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3704 (or 3696 counting only the distinct ones).
The product of its (nonzero) digits is 419904, while the sum is 47.
The square root of 30689696 is about 5539.8281561796. The cubic root of 30689696 is about 313.0863946440.
The spelling of 30689696 in words is "thirty million, six hundred eighty-nine thousand, six hundred ninety-six".
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