Base | Representation |
---|---|
bin | 101010001001… |
… | …1110000100110 |
3 | 1112120211220200 |
4 | 1110103300212 |
5 | 21124213110 |
6 | 2105411330 |
7 | 355566330 |
oct | 124236046 |
9 | 45524820 |
10 | 22101030 |
11 | 11525916 |
12 | 7499b46 |
13 | 476a843 |
14 | 2d14450 |
15 | 1e186c0 |
hex | 1513c26 |
22101030 has 48 divisors (see below), whose sum is σ = 65673504. Its totient is φ = 5051520.
The previous prime is 22101029. The next prime is 22101041. The reversal of 22101030 is 3010122.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16911 + ... + 18170.
It is an arithmetic number, because the mean of its divisors is an integer number (1368198).
Almost surely, 222101030 is an apocalyptic number.
22101030 is an abundant number, since it is smaller than the sum of its proper divisors (43572474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22101030 is a wasteful number, since it uses less digits than its factorization.
22101030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35101 (or 35098 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 22101030 is about 4701.1732578155. The cubic root of 22101030 is about 280.6322024497.
Adding to 22101030 its reverse (3010122), we get a palindrome (25111152).
It can be divided in two parts, 2210 and 1030, that added together give a triangular number (3240 = T80).
The spelling of 22101030 in words is "twenty-two million, one hundred one thousand, thirty".
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