Base | Representation |
---|---|
bin | 100110010010… |
… | …0100010011111 |
3 | 1101202210102220 |
4 | 1030210202133 |
5 | 20114310412 |
6 | 1554120423 |
7 | 332420502 |
oct | 114444237 |
9 | 41683386 |
10 | 20072607 |
11 | 1036a935 |
12 | 6880113 |
13 | 420a4a9 |
14 | 2947139 |
15 | 1b6768c |
hex | 132489f |
20072607 has 16 divisors (see below), whose sum is σ = 28364160. Its totient is φ = 12591072.
The previous prime is 20072561. The next prime is 20072617. The reversal of 20072607 is 70627002.
It is not a de Polignac number, because 20072607 - 26 = 20072543 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20072617) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7828 + ... + 10070.
It is an arithmetic number, because the mean of its divisors is an integer number (1772760).
Almost surely, 220072607 is an apocalyptic number.
20072607 is a deficient number, since it is larger than the sum of its proper divisors (8291553).
20072607 is a wasteful number, since it uses less digits than its factorization.
20072607 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2422.
The product of its (nonzero) digits is 1176, while the sum is 24.
The square root of 20072607 is about 4480.2463101932. The cubic root of 20072607 is about 271.7698411645.
Adding to 20072607 its reverse (70627002), we get a palindrome (90699609).
The spelling of 20072607 in words is "twenty million, seventy-two thousand, six hundred seven".
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