Search a number
-
+
11830901 = 192327073
BaseRepresentation
bin101101001000…
…011001110101
3211021001221112
4231020121311
511012042101
61101324405
7202363265
oct55103165
924231845
1011830901
116750805
123b66705
1325b3044
1417dd7a5
15108a6bb
hexb48675

11830901 has 8 divisors (see below), whose sum is σ = 12995520. Its totient is φ = 10720512.

The previous prime is 11830879. The next prime is 11830913. The reversal of 11830901 is 10903811.

11830901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11830901 - 222 = 7636597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11830921) 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, 13100 + ... + 13973.

It is an arithmetic number, because the mean of its divisors is an integer number (1624440).

Almost surely, 211830901 is an apocalyptic number.

It is an amenable number.

11830901 is a deficient number, since it is larger than the sum of its proper divisors (1164619).

11830901 is a wasteful number, since it uses less digits than its factorization.

11830901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27115.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 11830901 is about 3439.6076811171. The cubic root of 11830901 is about 227.8623682026.

The spelling of 11830901 in words is "eleven million, eight hundred thirty thousand, nine hundred one".

Divisors: 1 19 23 437 27073 514387 622679 11830901