Search a number
-
+
20425062 = 237269473
BaseRepresentation
bin100110111101…
…0100101100110
31102102200220210
41031322211212
520212100222
62005440250
7335416200
oct115724546
942380823
1020425062
1110590719
126a10086
134301a48
1429d9770
151bd6d0c
hex137a966

20425062 has 24 divisors (see below), whose sum is σ = 47520216. Its totient is φ = 5835648.

The previous prime is 20425049. The next prime is 20425091. The reversal of 20425062 is 26052402.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34443 + ... + 35030.

It is an arithmetic number, because the mean of its divisors is an integer number (1980009).

Almost surely, 220425062 is an apocalyptic number.

20425062 is an abundant number, since it is smaller than the sum of its proper divisors (27095154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20425062 is a wasteful number, since it uses less digits than its factorization.

20425062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69492 (or 69485 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 20425062 is about 4519.4094746991. The cubic root of 20425062 is about 273.3512900491.

Adding to 20425062 its reverse (26052402), we get a palindrome (46477464).

The spelling of 20425062 in words is "twenty million, four hundred twenty-five thousand, sixty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 69473 138946 208419 416838 486311 972622 1458933 2917866 3404177 6808354 10212531 20425062