[go: up one dir, main page]

Search a number
-
+
11352981 = 325115077
BaseRepresentation
bin101011010011…
…101110010101
3210100210100210
4223103232111
510401243411
61043200033
7165333033
oct53235625
923323323
1011352981
116454732
123976019
132476653
141717553
15ee3ca6
hexad3b95

11352981 has 8 divisors (see below), whose sum is σ = 15198624. Its totient is φ = 7538000.

The previous prime is 11352973. The next prime is 11353019. The reversal of 11352981 is 18925311.

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 11352981 - 23 = 11352973 is a prime.

It is a super-2 number, since 2×113529812 = 257780355172722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11352181) 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, 6786 + ... + 8291.

It is an arithmetic number, because the mean of its divisors is an integer number (1899828).

Almost surely, 211352981 is an apocalyptic number.

It is an amenable number.

11352981 is a deficient number, since it is larger than the sum of its proper divisors (3845643).

11352981 is a wasteful number, since it uses less digits than its factorization.

11352981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15331.

The product of its digits is 2160, while the sum is 30.

The square root of 11352981 is about 3369.4184958239. The cubic root of 11352981 is about 224.7518647228.

The spelling of 11352981 in words is "eleven million, three hundred fifty-two thousand, nine hundred eighty-one".

Divisors: 1 3 251 753 15077 45231 3784327 11352981