[go: up one dir, main page]

Search a number
-
+
20696892 = 2231724741
BaseRepresentation
bin100111011110…
…0111100111100
31102221111210120
41032330330330
520244300032
62015334540
7340630536
oct116747474
942844716
1020696892
1110756977
126b21450
1343986a8
142a6a856
151c3c62c
hex13bcf3c

20696892 has 12 divisors (see below), whose sum is σ = 48292776. Its totient is φ = 6898960.

The previous prime is 20696881. The next prime is 20696911. The reversal of 20696892 is 29869602.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×206968922 = 856722676919328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862359 + ... + 862382.

It is an arithmetic number, because the mean of its divisors is an integer number (4024398).

Almost surely, 220696892 is an apocalyptic number.

It is an amenable number.

20696892 is an abundant number, since it is smaller than the sum of its proper divisors (27595884).

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

20696892 is a wasteful number, since it uses less digits than its factorization.

20696892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724748 (or 1724746 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 20696892 is about 4549.3836945239. The cubic root of 20696892 is about 274.5585954586.

The spelling of 20696892 in words is "twenty million, six hundred ninety-six thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 1724741 3449482 5174223 6898964 10348446 20696892