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20045110 = 252004511
BaseRepresentation
bin100110001110…
…1110100110110
31101201101201111
41030131310312
520112420420
61553345234
7332244361
oct114356466
941641644
1020045110
1110351208
12686821a
1341cab17
14293b0d8
151b5e45a
hex131dd36

20045110 has 8 divisors (see below), whose sum is σ = 36081216. Its totient is φ = 8018040.

The previous prime is 20045101. The next prime is 20045117. The reversal of 20045110 is 1154002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20045117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002246 + ... + 1002265.

It is an arithmetic number, because the mean of its divisors is an integer number (4510152).

Almost surely, 220045110 is an apocalyptic number.

20045110 is a deficient number, since it is larger than the sum of its proper divisors (16036106).

20045110 is a wasteful number, since it uses less digits than its factorization.

20045110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004518.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 20045110 is about 4477.1765656494. The cubic root of 20045110 is about 271.6456873826.

Adding to 20045110 its reverse (1154002), we get a palindrome (21199112).

The spelling of 20045110 in words is "twenty million, forty-five thousand, one hundred ten".

Divisors: 1 2 5 10 2004511 4009022 10022555 20045110