Search a number
-
+
1045432443 = 31138981439
BaseRepresentation
bin111110010100000…
…000100001111011
32200212011110201010
4332110000201323
54120112314233
6251423125003
734623012666
oct7624004173
92625143633
101045432443
11497134960
12252143763
131387865a3
149cbb66dd
1561ba7b63
hex3e50087b

1045432443 has 16 divisors (see below), whose sum is σ = 1524556800. Its totient is φ = 631958880.

The previous prime is 1045432433. The next prime is 1045432519. The reversal of 1045432443 is 3442345401.

It is not a de Polignac number, because 1045432443 - 25 = 1045432411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1045432443.

It is not an unprimeable number, because it can be changed into a prime (1045432433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27883 + ... + 53556.

It is an arithmetic number, because the mean of its divisors is an integer number (95284800).

Almost surely, 21045432443 is an apocalyptic number.

1045432443 is a deficient number, since it is larger than the sum of its proper divisors (479124357).

1045432443 is a wasteful number, since it uses less digits than its factorization.

1045432443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81842.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 1045432443 is about 32333.1477434536. The cubic root of 1045432443 is about 1014.9204214993.

Adding to 1045432443 its reverse (3442345401), we get a palindrome (4487777844).

The spelling of 1045432443 in words is "one billion, forty-five million, four hundred thirty-two thousand, four hundred forty-three".

Divisors: 1 3 11 33 389 1167 4279 12837 81439 244317 895829 2687487 31679771 95039313 348477481 1045432443