Search a number
-
+
1240069804 = 222331330547
BaseRepresentation
bin100100111101001…
…1111011010101100
310012102102001222021
41021322133122230
510014424213204
6323014555524
742505263601
oct11172373254
93172361867
101240069804
11586a94886
122a7368ba4
13169bb3a1c
14ba9a06a8
1573d03154
hex49e9f6ac

1240069804 has 12 divisors (see below), whose sum is σ = 2179437624. Its totient is φ = 617373344.

The previous prime is 1240069801. The next prime is 1240069813. The reversal of 1240069804 is 4089600421.

It is a self number, because there is not a number n which added to its sum of digits gives 1240069804.

It is not an unprimeable number, because it can be changed into a prime (1240069801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664342 + ... + 666205.

It is an arithmetic number, because the mean of its divisors is an integer number (181619802).

Almost surely, 21240069804 is an apocalyptic number.

It is an amenable number.

1240069804 is a deficient number, since it is larger than the sum of its proper divisors (939367820).

1240069804 is a wasteful number, since it uses less digits than its factorization.

1240069804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330784 (or 1330782 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1240069804 is about 35214.6248595665. The cubic root of 1240069804 is about 1074.3572300260.

The spelling of 1240069804 in words is "one billion, two hundred forty million, sixty-nine thousand, eight hundred four".

Divisors: 1 2 4 233 466 932 1330547 2661094 5322188 310017451 620034902 1240069804