Search a number
-
+
1045023343 = 72131640539
BaseRepresentation
bin111110010010011…
…100101001101111
32200211101200112021
4332102130221233
54120011221333
6251410251011
734616360200
oct7622345157
92624350467
101045023343
11496985561
12251b86a67
13138672310
149cb0b5a7
1561b2682d
hex3e49ca6f

1045023343 has 12 divisors (see below), whose sum is σ = 1309150920. Its totient is φ = 826831152.

The previous prime is 1045023289. The next prime is 1045023349. The reversal of 1045023343 is 3433205401.

It is not a de Polignac number, because 1045023343 - 217 = 1044892271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045023349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 819633 + ... + 820906.

It is an arithmetic number, because the mean of its divisors is an integer number (109095910).

Almost surely, 21045023343 is an apocalyptic number.

1045023343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1045023343 is a deficient number, since it is larger than the sum of its proper divisors (264127577).

1045023343 is a wasteful number, since it uses less digits than its factorization.

1045023343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640566 (or 1640559 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1045023343 is about 32326.8207994538. The cubic root of 1045023343 is about 1014.7880175618.

Adding to 1045023343 its reverse (3433205401), we get a palindrome (4478228744).

The spelling of 1045023343 in words is "one billion, forty-five million, twenty-three thousand, three hundred forty-three".

Divisors: 1 7 13 49 91 637 1640539 11483773 21327007 80386411 149289049 1045023343