Search a number
-
+
1342634645 = 51131787469
BaseRepresentation
bin101000000000110…
…1111101010010101
310110120101220111002
41100001233222111
510222203302040
6341121153045
745162130502
oct12001575225
93416356432
101342634645
11629978310
1231578b785
13185214a91
14ca45c4a9
157cd12a15
hex5006fa95

1342634645 has 16 divisors (see below), whose sum is σ = 1814330880. Its totient is φ = 944961600.

The previous prime is 1342634611. The next prime is 1342634647. The reversal of 1342634645 is 5464362431.

It is not a de Polignac number, because 1342634645 - 26 = 1342634581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1342634599 and 1342634608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342634647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392030 + ... + 395439.

It is an arithmetic number, because the mean of its divisors is an integer number (113395680).

Almost surely, 21342634645 is an apocalyptic number.

It is an amenable number.

1342634645 is a deficient number, since it is larger than the sum of its proper divisors (471696235).

1342634645 is a wasteful number, since it uses less digits than its factorization.

1342634645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787516.

The product of its digits is 207360, while the sum is 38.

The square root of 1342634645 is about 36641.9792724138. The cubic root of 1342634645 is about 1103.1958424545.

The spelling of 1342634645 in words is "one billion, three hundred forty-two million, six hundred thirty-four thousand, six hundred forty-five".

Divisors: 1 5 11 31 55 155 341 1705 787469 3937345 8662159 24411539 43310795 122057695 268526929 1342634645