Search a number
-
+
190878883 = 1319772789
BaseRepresentation
bin10110110000010…
…01010010100011
3111022011122121021
423120021102203
5342331111013
630535110311
74505305126
oct1330112243
9438148537
10190878883
1198823148
1253b12397
13307127b0
141b4ca3bd
1511b56a8d
hexb6094a3

190878883 has 8 divisors (see below), whose sum is σ = 216381200. Its totient is φ = 166922208.

The previous prime is 190878871. The next prime is 190878937. The reversal of 190878883 is 388878091.

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 190878883 - 29 = 190878371 is a prime.

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 190878883.

It is not an unprimeable number, because it can be changed into a prime (190878803) 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, 386148 + ... + 386641.

It is an arithmetic number, because the mean of its divisors is an integer number (27047650).

Almost surely, 2190878883 is an apocalyptic number.

190878883 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

190878883 is a deficient number, since it is larger than the sum of its proper divisors (25502317).

190878883 is a wasteful number, since it uses less digits than its factorization.

190878883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772821.

The product of its (nonzero) digits is 774144, while the sum is 52.

The square root of 190878883 is about 13815.8924069348. The cubic root of 190878883 is about 575.7747670619.

The spelling of 190878883 in words is "one hundred ninety million, eight hundred seventy-eight thousand, eight hundred eighty-three".

Divisors: 1 13 19 247 772789 10046257 14682991 190878883