Search a number
-
+
191940050 = 2523838801
BaseRepresentation
bin10110111000011…
…00010111010010
3111101011120020202
423130030113102
5343114040200
631013535202
74520314661
oct1334142722
9441146222
10191940050
1199388445
1254344502
13309c47c3
141b6c4dd8
1511cb61d5
hexb70c5d2

191940050 has 12 divisors (see below), whose sum is σ = 357008586. Its totient is φ = 76776000.

The previous prime is 191940043. The next prime is 191940061. The reversal of 191940050 is 50049191.

191940050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 181629529 + 10310521 = 13477^2 + 3211^2 .

It is a junction number, because it is equal to n+sod(n) for n = 191939995 and 191940022.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1919351 + ... + 1919450.

Almost surely, 2191940050 is an apocalyptic number.

191940050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

191940050 is a deficient number, since it is larger than the sum of its proper divisors (165068536).

191940050 is a wasteful number, since it uses less digits than its factorization.

191940050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838813 (or 3838808 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 191940050 is about 13854.2430323710. The cubic root of 191940050 is about 576.8397782186.

The spelling of 191940050 in words is "one hundred ninety-one million, nine hundred forty thousand, fifty".

Divisors: 1 2 5 10 25 50 3838801 7677602 19194005 38388010 95970025 191940050