Search a number
-
+
190790943 = 379085283
BaseRepresentation
bin10110101111100…
…11110100011111
3111022000011222020
423113303310133
5342320302233
630533151223
74504460550
oct1327636437
9438004866
10190790943
1198773072
1253a8b513
13306b1765
141b4a6327
1511b3a9b3
hexb5f3d1f

190790943 has 8 divisors (see below), whose sum is σ = 290729088. Its totient is φ = 109023384.

The previous prime is 190790939. The next prime is 190790947. The reversal of 190790943 is 349097091.

It is an interprime number because it is at equal distance from previous prime (190790939) and next prime (190790947).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 190790943 - 22 = 190790939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 190790895 and 190790904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190790947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4542621 + ... + 4542662.

It is an arithmetic number, because the mean of its divisors is an integer number (36341136).

Almost surely, 2190790943 is an apocalyptic number.

190790943 is a deficient number, since it is larger than the sum of its proper divisors (99938145).

190790943 is an equidigital number, since it uses as much as digits as its factorization.

190790943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9085293.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 190790943 is about 13812.7094735247. The cubic root of 190790943 is about 575.6863315576.

The spelling of 190790943 in words is "one hundred ninety million, seven hundred ninety thousand, nine hundred forty-three".

Divisors: 1 3 7 21 9085283 27255849 63596981 190790943