Base | Representation |
---|---|
bin | 100110001010… |
… | …1010100011110 |
3 | 1101122121221010 |
4 | 1030111110132 |
5 | 20110312040 |
6 | 1552520050 |
7 | 332040660 |
oct | 114252436 |
9 | 41577833 |
10 | 20010270 |
11 | 10328015 |
12 | 6850026 |
13 | 41b7cc7 |
14 | 292c530 |
15 | 1b53e80 |
hex | 131551e |
20010270 has 32 divisors (see below), whose sum is σ = 54885888. Its totient is φ = 4573728.
The previous prime is 20010269. The next prime is 20010271. The reversal of 20010270 is 7201002.
It is an interprime number because it is at equal distance from previous prime (20010269) and next prime (20010271).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20010271) 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, 47434 + ... + 47853.
It is an arithmetic number, because the mean of its divisors is an integer number (1715184).
Almost surely, 220010270 is an apocalyptic number.
20010270 is an abundant number, since it is smaller than the sum of its proper divisors (34875618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20010270 is a wasteful number, since it uses less digits than its factorization.
20010270 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95304.
The product of its (nonzero) digits is 28, while the sum is 12.
The square root of 20010270 is about 4473.2840285410. The cubic root of 20010270 is about 271.4882154906.
Adding to 20010270 its reverse (7201002), we get a palindrome (27211272).
The spelling of 20010270 in words is "twenty million, ten thousand, two hundred seventy".
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