Base | Representation |
---|---|
bin | 100110110101… |
… | …1000010111111 |
3 | 1102022110121012 |
4 | 1031223002333 |
5 | 20203031112 |
6 | 2004225435 |
7 | 335032463 |
oct | 115530277 |
9 | 42273535 |
10 | 20361407 |
11 | 10547910 |
12 | 699b27b |
13 | 42aba91 |
14 | 29c04a3 |
15 | 1bc3022 |
hex | 136b0bf |
20361407 has 8 divisors (see below), whose sum is σ = 23381760. Its totient is φ = 17535960.
The previous prime is 20361401. The next prime is 20361409. The reversal of 20361407 is 70416302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20361407 - 26 = 20361343 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 (20361401) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48503 + ... + 48920.
It is an arithmetic number, because the mean of its divisors is an integer number (2922720).
Almost surely, 220361407 is an apocalyptic number.
20361407 is a deficient number, since it is larger than the sum of its proper divisors (3020353).
20361407 is a wasteful number, since it uses less digits than its factorization.
20361407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97453.
The product of its (nonzero) digits is 1008, while the sum is 23.
The square root of 20361407 is about 4512.3615768243. The cubic root of 20361407 is about 273.0670267961.
Adding to 20361407 its reverse (70416302), we get a palindrome (90777709).
It can be divided in two parts, 2036 and 1407, that added together give a palindrome (3443).
The spelling of 20361407 in words is "twenty million, three hundred sixty-one thousand, four hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •