Search a number
-
+
190346469 = 363448823
BaseRepresentation
bin10110101100001…
…11010011100101
3111021011121021020
423112013103211
5342212041334
630515441353
74500626655
oct1326072345
9437147236
10190346469
119849a135
12538b6259
1330587361
141b3cc365
1511a9de49
hexb5874e5

190346469 has 4 divisors (see below), whose sum is σ = 253795296. Its totient is φ = 126897644.

The previous prime is 190346419. The next prime is 190346483. The reversal of 190346469 is 964643091.

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 190346469 - 216 = 190280933 is a prime.

It is a super-2 number, since 2×1903464692 = 72463556521535922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 190346469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190346419) 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, 31724409 + ... + 31724414.

It is an arithmetic number, because the mean of its divisors is an integer number (63448824).

Almost surely, 2190346469 is an apocalyptic number.

It is an amenable number.

190346469 is a deficient number, since it is larger than the sum of its proper divisors (63448827).

190346469 is an equidigital number, since it uses as much as digits as its factorization.

190346469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63448826.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 190346469 is about 13796.6107794632. The cubic root of 190346469 is about 575.2389368667.

The spelling of 190346469 in words is "one hundred ninety million, three hundred forty-six thousand, four hundred sixty-nine".

Divisors: 1 3 63448823 190346469