Search a number
-
+
1404979019 = 10327075039
BaseRepresentation
bin101001110111110…
…0100011101001011
310121220201022212222
41103233210131023
510334133312034
6351225324255
746550060513
oct12357443513
93556638788
101404979019
1166108a594
1233263668b
13195102b42
14d484a843
158352a12e
hex53be474b

1404979019 has 8 divisors (see below), whose sum is σ = 1419425280. Its totient is φ = 1390548456.

The previous prime is 1404979013. The next prime is 1404979087. The reversal of 1404979019 is 9109794041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1404979019 - 224 = 1388201803 is a prime.

It is a super-2 number, since 2×14049790192 = 3947932087660404722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404979013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276302 + ... + 281340.

It is an arithmetic number, because the mean of its divisors is an integer number (177428160).

Almost surely, 21404979019 is an apocalyptic number.

1404979019 is a deficient number, since it is larger than the sum of its proper divisors (14446261).

1404979019 is a wasteful number, since it uses less digits than its factorization.

1404979019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7849.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 1404979019 is about 37483.0497558563. The cubic root of 1404979019 is about 1120.0135571807.

The spelling of 1404979019 in words is "one billion, four hundred four million, nine hundred seventy-nine thousand, nineteen".

Divisors: 1 103 2707 5039 278821 519017 13640573 1404979019