Base | Representation |
---|---|
bin | 1101000110010… |
… | …1110001000110 |
3 | 10211101101100011 |
4 | 3101211301012 |
5 | 103031132130 |
6 | 5241340434 |
7 | 1235002030 |
oct | 321456106 |
9 | 124341304 |
10 | 54942790 |
11 | 29017371 |
12 | 1649771a |
13 | b4c9136 |
14 | 7422c50 |
15 | 4c5452a |
hex | 3465c46 |
54942790 has 16 divisors (see below), whose sum is σ = 113025312. Its totient is φ = 18837504.
The previous prime is 54942787. The next prime is 54942799. The reversal of 54942790 is 9724945.
It is a super-4 number, since 4×549427904 (a number of 32 digits) contains 4444 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54942799) 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, 392379 + ... + 392518.
It is an arithmetic number, because the mean of its divisors is an integer number (7064082).
Almost surely, 254942790 is an apocalyptic number.
54942790 is an abundant number, since it is smaller than the sum of its proper divisors (58082522).
54942790 is a wasteful number, since it uses less digits than its factorization.
54942790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 784911.
The product of its (nonzero) digits is 90720, while the sum is 40.
The square root of 54942790 is about 7412.3403861399. The cubic root of 54942790 is about 380.1633415972.
The spelling of 54942790 in words is "fifty-four million, nine hundred forty-two thousand, seven hundred ninety".
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