Base | Representation |
---|---|
bin | 1011111101000… |
… | …0011101000101 |
3 | 10111100012220021 |
4 | 2333100131011 |
5 | 100313340101 |
6 | 4550335141 |
7 | 1146104503 |
oct | 277203505 |
9 | 114305807 |
10 | 50136901 |
11 | 26334661 |
12 | 1495a4b1 |
13 | a505809 |
14 | 6931673 |
15 | 46055a1 |
hex | 2fd0745 |
50136901 has 4 divisors (see below), whose sum is σ = 50288704. Its totient is φ = 49985100.
The previous prime is 50136833. The next prime is 50136913. The reversal of 50136901 is 10963105.
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, and also an emirpimes, since its reverse is a distinct semiprime: 10963105 = 5 ⋅2192621.
It is a cyclic number.
It is not a de Polignac number, because 50136901 - 213 = 50128709 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50136601) 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, 75405 + ... + 76066.
It is an arithmetic number, because the mean of its divisors is an integer number (12572176).
Almost surely, 250136901 is an apocalyptic number.
It is an amenable number.
50136901 is a deficient number, since it is larger than the sum of its proper divisors (151803).
50136901 is a wasteful number, since it uses less digits than its factorization.
50136901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151802.
The product of its (nonzero) digits is 810, while the sum is 25.
The square root of 50136901 is about 7080.7415572100. The cubic root of 50136901 is about 368.7390751910.
The spelling of 50136901 in words is "fifty million, one hundred thirty-six thousand, nine hundred one".
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