Search a number
-
+
1214913 = 3757853
BaseRepresentation
bin100101000100111000001
32021201112210
410220213001
5302334123
642012333
713220010
oct4504701
92251483
101214913
1175a867
124a70a9
13336cab
14238a77
1518ee93
hex1289c1

1214913 has 8 divisors (see below), whose sum is σ = 1851328. Its totient is φ = 694224.

The previous prime is 1214909. The next prime is 1214923. The reversal of 1214913 is 3194121.

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

It is not a de Polignac number, because 1214913 - 22 = 1214909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 57853 = 1214913 / (1 + 2 + 1 + 4 + 9 + 1 + 3).

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 1214913.

It is not an unprimeable number, because it can be changed into a prime (1214923) 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, 28906 + ... + 28947.

It is an arithmetic number, because the mean of its divisors is an integer number (231416).

21214913 is an apocalyptic number.

It is an amenable number.

1214913 is a deficient number, since it is larger than the sum of its proper divisors (636415).

1214913 is an equidigital number, since it uses as much as digits as its factorization.

1214913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57863.

The product of its digits is 216, while the sum is 21.

The square root of 1214913 is about 1102.2309195445. The cubic root of 1214913 is about 106.7042521627.

The spelling of 1214913 in words is "one million, two hundred fourteen thousand, nine hundred thirteen".

Divisors: 1 3 7 21 57853 173559 404971 1214913