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20100094 = 272205103
BaseRepresentation
bin100110010101…
…1001111111110
31101211012010221
41030223033332
520121200334
61554451554
7332563600
oct114531776
941735127
1020100094
1110389553
126893bba
134219b61
142953170
151b708b4
hex132b3fe

20100094 has 12 divisors (see below), whose sum is σ = 35072784. Its totient is φ = 8614284.

The previous prime is 20100083. The next prime is 20100097. The reversal of 20100094 is 49000102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100097) 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, 102454 + ... + 102649.

It is an arithmetic number, because the mean of its divisors is an integer number (2922732).

Almost surely, 220100094 is an apocalyptic number.

20100094 is a deficient number, since it is larger than the sum of its proper divisors (14972690).

20100094 is a wasteful number, since it uses less digits than its factorization.

20100094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205119 (or 205112 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 20100094 is about 4483.3128376235. The cubic root of 20100094 is about 271.8938365246.

Adding to 20100094 its reverse (49000102), we get a palindrome (69100196).

The spelling of 20100094 in words is "twenty million, one hundred thousand, ninety-four".

Divisors: 1 2 7 14 49 98 205103 410206 1435721 2871442 10050047 20100094