Search a number
-
+
20572096 = 263110369
BaseRepresentation
bin100111001111…
…0011111000000
31102201011121111
41032132133000
520231301341
62012533104
7336600646
oct116363700
942634544
1020572096
1110681136
126a81194
13435394c
142a37196
151c15681
hex139e7c0

20572096 has 28 divisors (see below), whose sum is σ = 42143680. Its totient is φ = 9953280.

The previous prime is 20572093. The next prime is 20572099. The reversal of 20572096 is 69027502.

It is an interprime number because it is at equal distance from previous prime (20572093) and next prime (20572099).

It is a super-2 number, since 2×205720962 = 846422267666432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20572093) 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 3 ways as a sum of consecutive naturals, for example, 3201 + ... + 7168.

Almost surely, 220572096 is an apocalyptic number.

It is an amenable number.

20572096 is an abundant number, since it is smaller than the sum of its proper divisors (21571584).

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

20572096 is a wasteful number, since it uses less digits than its factorization.

20572096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10412 (or 10402 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 20572096 is about 4535.6472525980. The cubic root of 20572096 is about 274.0056474940.

Adding to 20572096 its reverse (69027502), we get a palindrome (89599598).

The spelling of 20572096 in words is "twenty million, five hundred seventy-two thousand, ninety-six".

Divisors: 1 2 4 8 16 31 32 62 64 124 248 496 992 1984 10369 20738 41476 82952 165904 321439 331808 642878 663616 1285756 2571512 5143024 10286048 20572096