Base | Representation |
---|---|
bin | 1011110111110… |
… | …0011001001110 |
3 | 10110200201121000 |
4 | 2331330121032 |
5 | 100221330330 |
6 | 4535121130 |
7 | 1143141621 |
oct | 275743116 |
9 | 113621530 |
10 | 49792590 |
11 | 26119a01 |
12 | 148131a6 |
13 | a414b93 |
14 | 6881db8 |
15 | 4588560 |
hex | 2f7c64e |
49792590 has 32 divisors (see below), whose sum is σ = 132780960. Its totient is φ = 13277952.
The previous prime is 49792583. The next prime is 49792607. The reversal of 49792590 is 9529794.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91939 + ... + 92478.
It is an arithmetic number, because the mean of its divisors is an integer number (4149405).
Almost surely, 249792590 is an apocalyptic number.
49792590 is an abundant number, since it is smaller than the sum of its proper divisors (82988370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49792590 is a wasteful number, since it uses less digits than its factorization.
49792590 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 184433 (or 184427 counting only the distinct ones).
The product of its (nonzero) digits is 204120, while the sum is 45.
The square root of 49792590 is about 7056.3864690081. The cubic root of 49792590 is about 367.8930405519.
It can be divided in two parts, 4979 and 2590, that added together give a square (7569 = 872).
The spelling of 49792590 in words is "forty-nine million, seven hundred ninety-two thousand, five hundred ninety".
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