Base | Representation |
---|---|
bin | 1011110110101… |
… | …0110010110101 |
3 | 10110120001201001 |
4 | 2331222302311 |
5 | 100212024001 |
6 | 4533403301 |
7 | 1142421505 |
oct | 275526265 |
9 | 113501631 |
10 | 49720501 |
11 | 2607a826 |
12 | 14799531 |
13 | a3bb11c |
14 | 6863a05 |
15 | 4572001 |
hex | 2f6acb5 |
49720501 has 4 divisors (see below), whose sum is σ = 50778432. Its totient is φ = 48662572.
The previous prime is 49720483. The next prime is 49720537. The reversal of 49720501 is 10502794.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 49720501 - 213 = 49712309 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 49720501.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49720571) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528895 + ... + 528988.
It is an arithmetic number, because the mean of its divisors is an integer number (12694608).
Almost surely, 249720501 is an apocalyptic number.
It is an amenable number.
49720501 is a deficient number, since it is larger than the sum of its proper divisors (1057931).
49720501 is a wasteful number, since it uses less digits than its factorization.
49720501 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1057930.
The product of its (nonzero) digits is 2520, while the sum is 28.
The square root of 49720501 is about 7051.2765510934. The cubic root of 49720501 is about 367.7154113730.
The spelling of 49720501 in words is "forty-nine million, seven hundred twenty thousand, five hundred one".
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