Search a number
-
+
189450541 = 782932647
BaseRepresentation
bin10110100101011…
…00100100101101
3111012111002021201
423102230210231
5341444404131
630444325501
74460205640
oct1322544455
9435432251
10189450541
1197a37aa5
1253543891
1330332617
141b237a57
1511973761
hexb4ac92d

189450541 has 8 divisors (see below), whose sum is σ = 216782720. Its totient is φ = 162185328.

The previous prime is 189450529. The next prime is 189450551. The reversal of 189450541 is 145054981.

189450541 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 189450541 - 27 = 189450413 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 189450541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189450551) 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, 10521 + ... + 22126.

It is an arithmetic number, because the mean of its divisors is an integer number (27097840).

Almost surely, 2189450541 is an apocalyptic number.

It is an amenable number.

189450541 is a deficient number, since it is larger than the sum of its proper divisors (27332179).

189450541 is an equidigital number, since it uses as much as digits as its factorization.

189450541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33483.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 189450541 is about 13764.1033489291. The cubic root of 189450541 is about 574.3350003344.

The spelling of 189450541 in words is "one hundred eighty-nine million, four hundred fifty thousand, five hundred forty-one".

Divisors: 1 7 829 5803 32647 228529 27064363 189450541