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194438050 = 2523888761
BaseRepresentation
bin10111001011011…
…10001110100010
3111112212110212021
423211232032202
5344234004200
631143252054
74550460532
oct1345561642
9445773767
10194438050
119a834204
125514a02a
133138a801
141bb754c2
151210b41a
hexb96e3a2

194438050 has 12 divisors (see below), whose sum is σ = 361654866. Its totient is φ = 77775200.

The previous prime is 194438047. The next prime is 194438051. The reversal of 194438050 is 50834491.

It can be written as a sum of positive squares in 3 ways, for example, as 172055689 + 22382361 = 13117^2 + 4731^2 .

It is a junction number, because it is equal to n+sod(n) for n = 194437997 and 194438015.

It is not an unprimeable number, because it can be changed into a prime (194438051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1944331 + ... + 1944430.

Almost surely, 2194438050 is an apocalyptic number.

194438050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194438050 is a deficient number, since it is larger than the sum of its proper divisors (167216816).

194438050 is a wasteful number, since it uses less digits than its factorization.

194438050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888773 (or 3888768 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 194438050 is about 13944.1044889946. The cubic root of 194438050 is about 579.3314234326.

It can be divided in two parts, 194 and 438050, that added together give a square (438244 = 6622).

The spelling of 194438050 in words is "one hundred ninety-four million, four hundred thirty-eight thousand, fifty".

Divisors: 1 2 5 10 25 50 3888761 7777522 19443805 38887610 97219025 194438050