Search a number
-
+
11380457 = 116431609
BaseRepresentation
bin101011011010…
…011011101001
3210102012001102
4223122123221
510403133312
61043531145
7165506114
oct53323351
923365042
1011380457
116473340
123989ab5
132485cca
14172357b
15eebec2
hexada6e9

11380457 has 8 divisors (see below), whose sum is σ = 12442080. Its totient is φ = 10323360.

The previous prime is 11380433. The next prime is 11380477. The reversal of 11380457 is 75408311.

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

It is a cyclic number.

It is not a de Polignac number, because 11380457 - 26 = 11380393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11380477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6269 + ... + 7877.

It is an arithmetic number, because the mean of its divisors is an integer number (1555260).

Almost surely, 211380457 is an apocalyptic number.

It is an amenable number.

11380457 is a deficient number, since it is larger than the sum of its proper divisors (1061623).

11380457 is a wasteful number, since it uses less digits than its factorization.

11380457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 11380457 is about 3373.4932933089. The cubic root of 11380457 is about 224.9330302747.

Adding to 11380457 its reverse (75408311), we get a palindrome (86788768).

The spelling of 11380457 in words is "eleven million, three hundred eighty thousand, four hundred fifty-seven".

Divisors: 1 11 643 1609 7073 17699 1034587 11380457