Search a number
-
+
1330994774 = 22328934669
BaseRepresentation
bin100111101010101…
…0101111001010110
310102202111112120202
41033111111321112
510211213313044
6340023500502
744661161144
oct11725257126
93382445522
101330994774
1162334808a
123118b7732
1318299a995
14c8aac594
157bcb3c4e
hex4f555e56

1330994774 has 8 divisors (see below), whose sum is σ = 2083296240. Its totient is φ = 636562696.

The previous prime is 1330994773. The next prime is 1330994809. The reversal of 1330994774 is 4774990331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13309947742 = 3543094176830622152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330994773) 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, 14467289 + ... + 14467380.

It is an arithmetic number, because the mean of its divisors is an integer number (260412030).

Almost surely, 21330994774 is an apocalyptic number.

1330994774 is a deficient number, since it is larger than the sum of its proper divisors (752301466).

1330994774 is a wasteful number, since it uses less digits than its factorization.

1330994774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28934694.

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 1330994774 is about 36482.8010711897. The cubic root of 1330994774 is about 1099.9985603287.

The spelling of 1330994774 in words is "one billion, three hundred thirty million, nine hundred ninety-four thousand, seven hundred seventy-four".

Divisors: 1 2 23 46 28934669 57869338 665497387 1330994774