Search a number
-
+
1394724371 = 52325099
BaseRepresentation
bin101001100100001…
…1100111000010011
310121012102100011012
41103020130320103
510324022134441
6350221441135
746363650545
oct12310347023
93535370135
101394724371
11656316077
1232b1101ab
13192c523c1
14d333b695
15826a19eb
hex5321ce13

1394724371 has 6 divisors (see below), whose sum is σ = 1397670300. Its totient is φ = 1391784588.

The previous prime is 1394724341. The next prime is 1394724377. The reversal of 1394724371 is 1734274931.

It is not a de Polignac number, because 1394724371 - 214 = 1394707987 is a prime.

It is a super-2 number, since 2×13947243712 = 3890512142122691282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1394724377) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 270980 + ... + 276078.

It is an arithmetic number, because the mean of its divisors is an integer number (232945050).

Almost surely, 21394724371 is an apocalyptic number.

1394724371 is a deficient number, since it is larger than the sum of its proper divisors (2945929).

1394724371 is an frugal number, since it uses more digits than its factorization.

1394724371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6145 (or 5622 counting only the distinct ones).

The product of its digits is 127008, while the sum is 41.

The square root of 1394724371 is about 37346.0087693451. The cubic root of 1394724371 is about 1117.2819857405.

The spelling of 1394724371 in words is "one billion, three hundred ninety-four million, seven hundred twenty-four thousand, three hundred seventy-one".

Divisors: 1 523 5099 273529 2666777 1394724371