Search a number
-
+
1409487868 = 221942414373
BaseRepresentation
bin101010000000011…
…0001001111111100
310122020012101212101
41110000301033330
510341312102433
6351510114444
746633310035
oct12400611774
93566171771
101409487868
1166368a108
1233404ba24
131960211b9
14d52a1a8c
1583b1b07d
hex540313fc

1409487868 has 24 divisors (see below), whose sum is σ = 2597631120. Its totient is φ = 667342080.

The previous prime is 1409487839. The next prime is 1409487889. The reversal of 1409487868 is 8687849041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320130 + ... + 324502.

It is an arithmetic number, because the mean of its divisors is an integer number (108234630).

Almost surely, 21409487868 is an apocalyptic number.

It is an amenable number.

1409487868 is a deficient number, since it is larger than the sum of its proper divisors (1188143252).

1409487868 is a wasteful number, since it uses less digits than its factorization.

1409487868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8637 (or 8635 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 55.

The square root of 1409487868 is about 37543.1467514379. The cubic root of 1409487868 is about 1121.2103910689.

The spelling of 1409487868 in words is "one billion, four hundred nine million, four hundred eighty-seven thousand, eight hundred sixty-eight".

Divisors: 1 2 4 19 38 76 4241 4373 8482 8746 16964 17492 80579 83087 161158 166174 322316 332348 18545893 37091786 74183572 352371967 704743934 1409487868