Search a number
-
+
189372241 = 593209699
BaseRepresentation
bin10110100100110…
…01011101010001
3111012100002212201
423102121131101
5341434402431
630442523201
74456431442
oct1322313521
9435302781
10189372241
1197994193
1253506501
1330305aa6
141b2172c9
151195a461
hexb499751

189372241 has 4 divisors (see below), whose sum is σ = 192582000. Its totient is φ = 186162484.

The previous prime is 189372229. The next prime is 189372263. The reversal of 189372241 is 142273981.

189372241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 189372241 - 29 = 189371729 is a prime.

It is a super-2 number, since 2×1893722412 = 71723691322724162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 189372241.

It is not an unprimeable number, because it can be changed into a prime (189372341) 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, 1604791 + ... + 1604908.

It is an arithmetic number, because the mean of its divisors is an integer number (48145500).

Almost surely, 2189372241 is an apocalyptic number.

It is an amenable number.

189372241 is a deficient number, since it is larger than the sum of its proper divisors (3209759).

189372241 is an equidigital number, since it uses as much as digits as its factorization.

189372241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209758.

The product of its digits is 24192, while the sum is 37.

The square root of 189372241 is about 13761.2586996975. The cubic root of 189372241 is about 574.2558651203.

The spelling of 189372241 in words is "one hundred eighty-nine million, three hundred seventy-two thousand, two hundred forty-one".

Divisors: 1 59 3209699 189372241