Search a number
-
+
20244462 = 23719231103
BaseRepresentation
bin100110100111…
…0011111101110
31102002112011220
41031032133232
520140310322
62001524210
7334034520
oct115163756
942075156
1020244462
1110477a67
126943666
13426a794
14298da10
151b9d55c
hex134e7ee

20244462 has 64 divisors (see below), whose sum is σ = 50872320. Its totient is φ = 5236704.

The previous prime is 20244449. The next prime is 20244479. The reversal of 20244462 is 26444202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17803 + ... + 18905.

It is an arithmetic number, because the mean of its divisors is an integer number (794880).

Almost surely, 220244462 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20244462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25436160).

20244462 is an abundant number, since it is smaller than the sum of its proper divisors (30627858).

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

20244462 is a wasteful number, since it uses less digits than its factorization.

20244462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 20244462 is about 4499.3846245903. The cubic root of 20244462 is about 272.5432392178.

Adding to 20244462 its reverse (26444202), we get a palindrome (46688664).

It can be divided in two parts, 20244 and 462, that added together give a triangular number (20706 = T203).

The spelling of 20244462 in words is "twenty million, two hundred forty-four thousand, four hundred sixty-two".

Divisors: 1 2 3 6 7 14 19 21 23 38 42 46 57 69 114 133 138 161 266 322 399 437 483 798 874 966 1103 1311 2206 2622 3059 3309 6118 6618 7721 9177 15442 18354 20957 23163 25369 41914 46326 50738 62871 76107 125742 146699 152214 177583 293398 355166 440097 482011 532749 880194 964022 1065498 1446033 2892066 3374077 6748154 10122231 20244462