Base | Representation |
---|---|
bin | 1101000101101… |
… | …1111111110100 |
3 | 10211022100110000 |
4 | 3101123333310 |
5 | 103023342042 |
6 | 5240431300 |
7 | 1234444251 |
oct | 321337764 |
9 | 124270400 |
10 | 54902772 |
11 | 28a9a2a1 |
12 | 16478530 |
13 | b4b3b62 |
14 | 7412428 |
15 | 4c4774c |
hex | 345bff4 |
54902772 has 60 divisors (see below), whose sum is σ = 147062916. Its totient is φ = 17850240.
The previous prime is 54902747. The next prime is 54902773. The reversal of 54902772 is 27720945.
It can be written as a sum of positive squares in 2 ways, for example, as 18974736 + 35928036 = 4356^2 + 5994^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54902773) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11218 + ... + 15350.
Almost surely, 254902772 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 54902772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73531458).
54902772 is an abundant number, since it is smaller than the sum of its proper divisors (92160144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54902772 is a wasteful number, since it uses less digits than its factorization.
54902772 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4190 (or 4179 counting only the distinct ones).
The product of its (nonzero) digits is 35280, while the sum is 36.
The square root of 54902772 is about 7409.6404771082. The cubic root of 54902772 is about 380.0710208899.
The spelling of 54902772 in words is "fifty-four million, nine hundred two thousand, seven hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •