Search a number
-
+
1313420442 = 231712876671
BaseRepresentation
bin100111001001001…
…0011010010011010
310101112102200010120
41032102103102122
510142213423232
6334155054110
744355614055
oct11622232232
93345380116
101313420442
11614434244
12307a41336
1317c156679
14c6615a9c
157a49192c
hex4e49349a

1313420442 has 16 divisors (see below), whose sum is σ = 2781361152. Its totient is φ = 412053440.

The previous prime is 1313420419. The next prime is 1313420483. The reversal of 1313420442 is 2440243131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6438234 + ... + 6438437.

It is an arithmetic number, because the mean of its divisors is an integer number (173835072).

Almost surely, 21313420442 is an apocalyptic number.

1313420442 is an abundant number, since it is smaller than the sum of its proper divisors (1467940710).

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

1313420442 is a wasteful number, since it uses less digits than its factorization.

1313420442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12876693.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1313420442 is about 36241.1429455529. The cubic root of 1313420442 is about 1095.1356676007.

Adding to 1313420442 its reverse (2440243131), we get a palindrome (3753663573).

The spelling of 1313420442 in words is "one billion, three hundred thirteen million, four hundred twenty thousand, four hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 12876671 25753342 38630013 77260026 218903407 437806814 656710221 1313420442