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1402242013 = 3793699847
BaseRepresentation
bin101001110010100…
…1000001111011101
310121201120021102101
41103211020033131
510332433221023
6351050525101
746514601064
oct12345101735
93551507371
101402242013
1165a5901a7
12331736791
13194685103
14d43371db
15831891ad
hex539483dd

1402242013 has 4 divisors (see below), whose sum is σ = 1405942240. Its totient is φ = 1398541788.

The previous prime is 1402242011. The next prime is 1402242019. The reversal of 1402242013 is 3102422041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3102422041 = 13123682611.

It is a cyclic number.

It is not a de Polignac number, because 1402242013 - 21 = 1402242011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402242011) 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, 1849545 + ... + 1850302.

It is an arithmetic number, because the mean of its divisors is an integer number (351485560).

Almost surely, 21402242013 is an apocalyptic number.

It is an amenable number.

1402242013 is a deficient number, since it is larger than the sum of its proper divisors (3700227).

1402242013 is an equidigital number, since it uses as much as digits as its factorization.

1402242013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700226.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1402242013 is about 37446.5220414393. The cubic root of 1402242013 is about 1119.2857938618.

Adding to 1402242013 its reverse (3102422041), we get a palindrome (4504664054).

The spelling of 1402242013 in words is "one billion, four hundred two million, two hundred forty-two thousand, thirteen".

Divisors: 1 379 3699847 1402242013