Base | Representation |
---|---|
bin | 111001011110… |
… | …1011101011010 |
3 | 2002201002000212 |
4 | 1302331131122 |
5 | 30203324104 |
6 | 2553531122 |
7 | 514103336 |
oct | 162753532 |
9 | 62632025 |
10 | 30136154 |
11 | 16013814 |
12 | a113aa2 |
13 | 6321c59 |
14 | 40067c6 |
15 | 29a436e |
hex | 1cbd75a |
30136154 has 16 divisors (see below), whose sum is σ = 47152896. Its totient is φ = 14428800.
The previous prime is 30136129. The next prime is 30136159. The reversal of 30136154 is 45163103.
It is a happy 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 7 ways as a sum of consecutive naturals, for example, 3509 + ... + 8519.
It is an arithmetic number, because the mean of its divisors is an integer number (2947056).
Almost surely, 230136154 is an apocalyptic number.
30136154 is a deficient number, since it is larger than the sum of its proper divisors (17016742).
30136154 is a wasteful number, since it uses less digits than its factorization.
30136154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5141.
The product of its (nonzero) digits is 1080, while the sum is 23.
The square root of 30136154 is about 5489.6406075444. The cubic root of 30136154 is about 311.1926102906.
Adding to 30136154 its reverse (45163103), we get a palindrome (75299257).
The spelling of 30136154 in words is "thirty million, one hundred thirty-six thousand, one hundred fifty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •