Search a number
-
+
1445811042 = 231319975581
BaseRepresentation
bin101011000101101…
…0101001101100010
310201202112210220010
41112023111031202
510430111423132
6355244425350
750554122354
oct12613251542
93652483803
101445811042
11682139265
12344248256
131a06cb2c0
14da0390d4
1586de36cc
hex562d5362

1445811042 has 32 divisors (see below), whose sum is σ = 3277955520. Its totient is φ = 421450560.

The previous prime is 1445811041. The next prime is 1445811043. The reversal of 1445811042 is 2401185441.

It is an interprime number because it is at equal distance from previous prime (1445811041) and next prime (1445811043).

It is not an unprimeable number, because it can be changed into a prime (1445811041) 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, 486309 + ... + 489272.

It is an arithmetic number, because the mean of its divisors is an integer number (102436110).

Almost surely, 21445811042 is an apocalyptic number.

1445811042 is an abundant number, since it is smaller than the sum of its proper divisors (1832144478).

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

1445811042 is a wasteful number, since it uses less digits than its factorization.

1445811042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975618.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 1445811042 is about 38023.8220330361. The cubic root of 1445811042 is about 1130.7601959138.

Adding to 1445811042 its reverse (2401185441), we get a palindrome (3846996483).

The spelling of 1445811042 in words is "one billion, four hundred forty-five million, eight hundred eleven thousand, forty-two".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 114 247 494 741 1482 975581 1951162 2926743 5853486 12682553 18536039 25365106 37072078 38047659 55608117 76095318 111216234 240968507 481937014 722905521 1445811042