Base | Representation |
---|---|
bin | 1110100011001… |
… | …0101111000111 |
3 | 11020211101212110 |
4 | 3220302233013 |
5 | 111110301343 |
6 | 10015552103 |
7 | 1340464050 |
oct | 350625707 |
9 | 136741773 |
10 | 61025223 |
11 | 314a1176 |
12 | 1852b633 |
13 | c8487cc |
14 | 8167727 |
15 | 5556833 |
hex | 3a32bc7 |
61025223 has 32 divisors (see below), whose sum is σ = 100583424. Its totient is φ = 32113152.
The previous prime is 61025221. The next prime is 61025227. The reversal of 61025223 is 32252016.
It is not a de Polignac number, because 61025223 - 21 = 61025221 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 61025223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61025221) 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, 14961 + ... + 18597.
It is an arithmetic number, because the mean of its divisors is an integer number (3143232).
Almost surely, 261025223 is an apocalyptic number.
61025223 is a deficient number, since it is larger than the sum of its proper divisors (39558201).
61025223 is a wasteful number, since it uses less digits than its factorization.
61025223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3711.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 61025223 is about 7811.8642461323. The cubic root of 61025223 is about 393.7039678110.
Adding to 61025223 its reverse (32252016), we get a palindrome (93277239).
It can be divided in two parts, 6102 and 5223, that added together give a triangular number (11325 = T150).
The spelling of 61025223 in words is "sixty-one million, twenty-five thousand, two hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •