Search a number
-
+
1402452001 = 3541396061
BaseRepresentation
bin101001110010111…
…1011100000100001
310121201221221110201
41103211323200201
510333011431001
6351055225201
746516434226
oct12345734041
93551857421
101402452001
1165a713a45
12331818201
13194729872
14d438d94d
15831cb501
hex5397b821

1402452001 has 4 divisors (see below), whose sum is σ = 1402851604. Its totient is φ = 1402052400.

The previous prime is 1402451989. The next prime is 1402452041. The reversal of 1402452001 is 1002542041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 696168225 + 706283776 = 26385^2 + 26576^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402452001 - 25 = 1402451969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1402452001.

It is not an unprimeable number, because it can be changed into a prime (1402452041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194490 + ... + 201571.

It is an arithmetic number, because the mean of its divisors is an integer number (350712901).

Almost surely, 21402452001 is an apocalyptic number.

It is an amenable number.

1402452001 is a deficient number, since it is larger than the sum of its proper divisors (399603).

1402452001 is an equidigital number, since it uses as much as digits as its factorization.

1402452001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399602.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1402452001 is about 37449.3257749722. The cubic root of 1402452001 is about 1119.3416626898.

Adding to 1402452001 its reverse (1002542041), we get a palindrome (2404994042).

The spelling of 1402452001 in words is "one billion, four hundred two million, four hundred fifty-two thousand, one".

Divisors: 1 3541 396061 1402452001