Base | Representation |
---|---|
bin | 111011000010… |
… | …1011001100100 |
3 | 2011020200102111 |
4 | 1312011121210 |
5 | 30411030413 |
6 | 3023250404 |
7 | 524054062 |
oct | 166053144 |
9 | 64220374 |
10 | 30955108 |
11 | 16523038 |
12 | a449a04 |
13 | 654a942 |
14 | 417b032 |
15 | 2ab6d3d |
hex | 1d85664 |
30955108 has 6 divisors (see below), whose sum is σ = 54171446. Its totient is φ = 15477552.
The previous prime is 30955097. The next prime is 30955109. The reversal of 30955108 is 80155903.
It can be written as a sum of positive squares in only one way, i.e., 23600164 + 7354944 = 4858^2 + 2712^2 .
It is a super-2 number, since 2×309551082 = 1916437422583328, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30955108.
It is not an unprimeable number, because it can be changed into a prime (30955109) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3869385 + ... + 3869392.
Almost surely, 230955108 is an apocalyptic number.
It is an amenable number.
30955108 is a deficient number, since it is larger than the sum of its proper divisors (23216338).
30955108 is a wasteful number, since it uses less digits than its factorization.
30955108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7738781 (or 7738779 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 31.
The square root of 30955108 is about 5563.7314816587. The cubic root of 30955108 is about 313.9863544992.
The spelling of 30955108 in words is "thirty million, nine hundred fifty-five thousand, one hundred eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •