Base | Representation |
---|---|
bin | 1011111010101… |
… | …0010110000111 |
3 | 10111001021210000 |
4 | 2332222112013 |
5 | 100243341212 |
6 | 4543132343 |
7 | 1144554432 |
oct | 276522607 |
9 | 114037700 |
10 | 49980807 |
11 | 26238358 |
12 | 148a40b3 |
13 | a47c756 |
14 | 68d0819 |
15 | 45c41dc |
hex | 2faa587 |
49980807 has 20 divisors (see below), whose sum is σ = 74925136. Its totient is φ = 33203520.
The previous prime is 49980781. The next prime is 49980841. The reversal of 49980807 is 70808994.
49980807 is a `hidden beast` number, since 499 + 80 + 80 + 7 = 666.
It is not a de Polignac number, because 49980807 - 26 = 49980743 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 (49980907) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26382 + ... + 28212.
Almost surely, 249980807 is an apocalyptic number.
49980807 is a deficient number, since it is larger than the sum of its proper divisors (24944329).
49980807 is a wasteful number, since it uses less digits than its factorization.
49980807 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2180 (or 2171 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 45.
The square root of 49980807 is about 7069.7105315564. The cubic root of 49980807 is about 368.3560054202.
The spelling of 49980807 in words is "forty-nine million, nine hundred eighty thousand, eight hundred seven".
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