Search a number
-
+
1304245436 = 221325081643
BaseRepresentation
bin100110110111101…
…0011010010111100
310100220011112101112
41031233103102330
510132341323221
6333230301152
744214621554
oct11557232274
93326145345
101304245436
1160a23799a
123049577b8
1317a293480
14c5308164
157977d15b
hex4dbd34bc

1304245436 has 12 divisors (see below), whose sum is σ = 2458001112. Its totient is φ = 601959408.

The previous prime is 1304245417. The next prime is 1304245471. The reversal of 1304245436 is 6345424031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12540770 + ... + 12540873.

It is an arithmetic number, because the mean of its divisors is an integer number (204833426).

Almost surely, 21304245436 is an apocalyptic number.

It is an amenable number.

1304245436 is a deficient number, since it is larger than the sum of its proper divisors (1153755676).

1304245436 is a wasteful number, since it uses less digits than its factorization.

1304245436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25081660 (or 25081658 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 1304245436 is about 36114.3383713450. The cubic root of 1304245436 is about 1092.5796532994.

Adding to 1304245436 its reverse (6345424031), we get a palindrome (7649669467).

The spelling of 1304245436 in words is "one billion, three hundred four million, two hundred forty-five thousand, four hundred thirty-six".

Divisors: 1 2 4 13 26 52 25081643 50163286 100326572 326061359 652122718 1304245436