Search a number
-
+
190365442 = 295182721
BaseRepresentation
bin10110101100010…
…11111100000010
3111021012120021221
423112023330002
5342213143232
630520105254
74501036201
oct1326137402
9437176257
10190365442
1198502413
125390522a
1330592b97
141b3d5238
1511aa4897
hexb58bf02

190365442 has 4 divisors (see below), whose sum is σ = 285548166. Its totient is φ = 95182720.

The previous prime is 190365437. The next prime is 190365443. The reversal of 190365442 is 244563091.

It is a happy number.

190365442 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.

It can be written as a sum of positive squares in only one way, i.e., 188265841 + 2099601 = 13721^2 + 1449^2 .

It is a junction number, because it is equal to n+sod(n) for n = 190365398 and 190365407.

It is not an unprimeable number, because it can be changed into a prime (190365443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47591359 + ... + 47591362.

Almost surely, 2190365442 is an apocalyptic number.

190365442 is a deficient number, since it is larger than the sum of its proper divisors (95182724).

190365442 is an equidigital number, since it uses as much as digits as its factorization.

190365442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95182723.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 190365442 is about 13797.2983587368. The cubic root of 190365442 is about 575.2580487627.

The spelling of 190365442 in words is "one hundred ninety million, three hundred sixty-five thousand, four hundred forty-two".

Divisors: 1 2 95182721 190365442