Search a number
-
+
20762484 = 2231730207
BaseRepresentation
bin100111100110…
…0111101110100
31110001211202220
41033030331310
520303344414
62021002340
7341323011
oct117147564
943054686
1020762484
11107a1186
126b533b0
1343bc4c2
142a86708
151c51ca9
hex13ccf74

20762484 has 12 divisors (see below), whose sum is σ = 48445824. Its totient is φ = 6920824.

The previous prime is 20762473. The next prime is 20762501. The reversal of 20762484 is 48426702.

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

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, 865092 + ... + 865115.

It is an arithmetic number, because the mean of its divisors is an integer number (4037152).

Almost surely, 220762484 is an apocalyptic number.

It is an amenable number.

20762484 is an abundant number, since it is smaller than the sum of its proper divisors (27683340).

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

20762484 is a wasteful number, since it uses less digits than its factorization.

20762484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730214 (or 1730212 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 20762484 is about 4556.5868805500. The cubic root of 20762484 is about 274.8483306911.

It can be divided in two parts, 2076 and 2484, that added together give a triangular number (4560 = T95).

The spelling of 20762484 in words is "twenty million, seven hundred sixty-two thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 12 1730207 3460414 5190621 6920828 10381242 20762484