Search a number
-
+
1940906832 = 24364762497
BaseRepresentation
bin111001110101111…
…1110001101010000
312000021011021122020
41303223332031100
512433333004312
6520332211440
766045302334
oct16353761520
95007137566
101940906832
11906656037
12462009b80
1324c1570a7
14145ab57c4
15b55dd78c
hex73afe350

1940906832 has 40 divisors (see below), whose sum is σ = 5021839296. Its totient is φ = 645958656.

The previous prime is 1940906771. The next prime is 1940906833. The reversal of 1940906832 is 2386090491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940906833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193 + ... + 62304.

Almost surely, 21940906832 is an apocalyptic number.

1940906832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1940906832 is an abundant number, since it is smaller than the sum of its proper divisors (3080932464).

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

1940906832 is a wasteful number, since it uses less digits than its factorization.

1940906832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63155 (or 63149 counting only the distinct ones).

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

The square root of 1940906832 is about 44055.7241683757. The cubic root of 1940906832 is about 1247.3880032735.

The spelling of 1940906832 in words is "one billion, nine hundred forty million, nine hundred six thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 647 1294 1941 2588 3882 5176 7764 10352 15528 31056 62497 124994 187491 249988 374982 499976 749964 999952 1499928 2999856 40435559 80871118 121306677 161742236 242613354 323484472 485226708 646968944 970453416 1940906832