Base | Representation |
---|---|
bin | 111001010101… |
… | …1000111110101 |
3 | 2002120021000001 |
4 | 1302223013311 |
5 | 30143423140 |
6 | 2552151301 |
7 | 513341350 |
oct | 162530765 |
9 | 62507001 |
10 | 30061045 |
11 | 15a72343 |
12 | a098531 |
13 | 62c6a01 |
14 | 3dc7297 |
15 | 298be9a |
hex | 1cab1f5 |
30061045 has 16 divisors (see below), whose sum is σ = 41810688. Its totient is φ = 20321280.
The previous prime is 30061043. The next prime is 30061061. The reversal of 30061045 is 54016003.
It is not a de Polignac number, because 30061045 - 21 = 30061043 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30061043) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3564 + ... + 8533.
It is an arithmetic number, because the mean of its divisors is an integer number (2613168).
Almost surely, 230061045 is an apocalyptic number.
30061045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30061045 is a deficient number, since it is larger than the sum of its proper divisors (11749643).
30061045 is a wasteful number, since it uses less digits than its factorization.
30061045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12180.
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 30061045 is about 5482.7953636808. The cubic root of 30061045 is about 310.9338644811.
Adding to 30061045 its reverse (54016003), we get a palindrome (84077048).
The spelling of 30061045 in words is "thirty million, sixty-one thousand, forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •