Base | Representation |
---|---|
bin | 111001011110… |
… | …1011101011001 |
3 | 2002201002000211 |
4 | 1302331131121 |
5 | 30203324103 |
6 | 2553531121 |
7 | 514103335 |
oct | 162753531 |
9 | 62632024 |
10 | 30136153 |
11 | 16013813 |
12 | a113aa1 |
13 | 6321c58 |
14 | 40067c5 |
15 | 29a436d |
hex | 1cbd759 |
30136153 has 4 divisors (see below), whose sum is σ = 30153268. Its totient is φ = 30119040.
The previous prime is 30136129. The next prime is 30136159. The reversal of 30136153 is 35163103.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 14040009 + 16096144 = 3747^2 + 4012^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30136153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30136159) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5568 + ... + 9553.
It is an arithmetic number, because the mean of its divisors is an integer number (7538317).
Almost surely, 230136153 is an apocalyptic number.
It is an amenable number.
30136153 is a deficient number, since it is larger than the sum of its proper divisors (17115).
30136153 is a wasteful number, since it uses less digits than its factorization.
30136153 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17114.
The product of its (nonzero) digits is 810, while the sum is 22.
The square root of 30136153 is about 5489.6405164637. The cubic root of 30136153 is about 311.1926068485.
Adding to 30136153 its reverse (35163103), we get a palindrome (65299256).
The spelling of 30136153 in words is "thirty million, one hundred thirty-six thousand, one hundred fifty-three".
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