Base | Representation |
---|---|
bin | 100111010010… |
… | …1111000000100 |
3 | 1102202201010211 |
4 | 1032211320010 |
5 | 20233233442 |
6 | 2013325204 |
7 | 340055140 |
oct | 116457004 |
9 | 42681124 |
10 | 20602372 |
11 | 106a195a |
12 | 6a96804 |
13 | 436466b |
14 | 2a44220 |
15 | 1c1e617 |
hex | 13a5e04 |
20602372 has 24 divisors (see below), whose sum is σ = 41985216. Its totient is φ = 8662368.
The previous prime is 20602357. The next prime is 20602409. The reversal of 20602372 is 27320602.
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 7 ways as a sum of consecutive naturals, for example, 5458 + ... + 8425.
It is an arithmetic number, because the mean of its divisors is an integer number (1749384).
Almost surely, 220602372 is an apocalyptic number.
It is an amenable number.
20602372 is an abundant number, since it is smaller than the sum of its proper divisors (21382844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20602372 is a wasteful number, since it uses less digits than its factorization.
20602372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13947 (or 13945 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 22.
The square root of 20602372 is about 4538.9835866634. The cubic root of 20602372 is about 274.1399998494.
Adding to 20602372 its reverse (27320602), we get a palindrome (47922974).
The spelling of 20602372 in words is "twenty million, six hundred two thousand, three hundred seventy-two".
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