Base | Representation |
---|---|
bin | 111010010100… |
… | …0010111110111 |
3 | 2010112022202000 |
4 | 1310220113313 |
5 | 30311332241 |
6 | 3011150343 |
7 | 520606143 |
oct | 164502767 |
9 | 63468660 |
10 | 30574071 |
11 | 16292830 |
12 | a2a53b3 |
13 | 6446388 |
14 | 40bc223 |
15 | 2a3deb6 |
hex | 1d285f7 |
30574071 has 32 divisors (see below), whose sum is σ = 49904640. Its totient is φ = 18345600.
The previous prime is 30574067. The next prime is 30574087. The reversal of 30574071 is 17047503.
It is not a de Polignac number, because 30574071 - 22 = 30574067 is a prime.
It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30574001) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33106 + ... + 34016.
It is an arithmetic number, because the mean of its divisors is an integer number (1559520).
Almost surely, 230574071 is an apocalyptic number.
30574071 is a deficient number, since it is larger than the sum of its proper divisors (19330569).
30574071 is a wasteful number, since it uses less digits than its factorization.
30574071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1044 (or 1038 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 27.
The square root of 30574071 is about 5529.3825152543. The cubic root of 30574071 is about 312.6927101499.
The spelling of 30574071 in words is "thirty million, five hundred seventy-four thousand, seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •