Base | Representation |
---|---|
bin | 1110100101111… |
… | …0001001000000 |
3 | 11021011102202002 |
4 | 3221132021000 |
5 | 111131444013 |
6 | 10023443132 |
7 | 1342134266 |
oct | 351361100 |
9 | 137142662 |
10 | 61203008 |
11 | 316027a9 |
12 | 185b64a8 |
13 | c8ab6c9 |
14 | 81b2436 |
15 | 558e358 |
hex | 3a5e240 |
61203008 has 42 divisors (see below), whose sum is σ = 123953778. Its totient is φ = 29982720.
The previous prime is 61202989. The next prime is 61203011. The reversal of 61203008 is 80030216.
It can be written as a sum of positive squares in 3 ways, for example, as 861184 + 60341824 = 928^2 + 7768^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 238016 + ... + 238272.
Almost surely, 261203008 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 61203008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61976889).
61203008 is an abundant number, since it is smaller than the sum of its proper divisors (62750770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61203008 is an equidigital number, since it uses as much as digits as its factorization.
61203008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 391 (or 320 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 61203008 is about 7823.2351364381. The cubic root of 61203008 is about 394.0859235247.
The spelling of 61203008 in words is "sixty-one million, two hundred three thousand, eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.115 sec. • engine limits •