Base | Representation |
---|---|
bin | 100110110110… |
… | …1001011010010 |
3 | 1102022220120021 |
4 | 1031231023102 |
5 | 20203321010 |
6 | 2004334054 |
7 | 335100064 |
oct | 115551322 |
9 | 42286507 |
10 | 20370130 |
11 | 10553420 |
12 | 69a432a |
13 | 42b2a41 |
14 | 29c3734 |
15 | 1bc58da |
hex | 136d2d2 |
20370130 has 16 divisors (see below), whose sum is σ = 39999744. Its totient is φ = 7407280.
The previous prime is 20370127. The next prime is 20370137. The reversal of 20370130 is 3107302.
It is not an unprimeable number, because it can be changed into a prime (20370137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92482 + ... + 92701.
It is an arithmetic number, because the mean of its divisors is an integer number (2499984).
Almost surely, 220370130 is an apocalyptic number.
20370130 is a deficient number, since it is larger than the sum of its proper divisors (19629614).
20370130 is a wasteful number, since it uses less digits than its factorization.
20370130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 185201.
The product of its (nonzero) digits is 126, while the sum is 16.
The square root of 20370130 is about 4513.3280403711. The cubic root of 20370130 is about 273.1060159748.
Adding to 20370130 its reverse (3107302), we get a palindrome (23477432).
The spelling of 20370130 in words is "twenty million, three hundred seventy thousand, one hundred thirty".
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