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20464194 = 233410699
BaseRepresentation
bin100111000010…
…0001001000010
31102111200121010
41032010021002
520214323234
62010341350
7335641242
oct116041102
942450533
1020464194
1110608063
126a2a856
1343167ba
142a09b22
151be36e9
hex1384242

20464194 has 8 divisors (see below), whose sum is σ = 40928400. Its totient is φ = 6821396.

The previous prime is 20464193. The next prime is 20464211. The reversal of 20464194 is 49146402.

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

20464194 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20464193) 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, 1705344 + ... + 1705355.

It is an arithmetic number, because the mean of its divisors is an integer number (5116050).

Almost surely, 220464194 is an apocalyptic number.

20464194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20464194 is a wasteful number, since it uses less digits than its factorization.

20464194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410704.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 20464194 is about 4523.7367297401. The cubic root of 20464194 is about 273.5257482496.

The spelling of 20464194 in words is "twenty million, four hundred sixty-four thousand, one hundred ninety-four".

Divisors: 1 2 3 6 3410699 6821398 10232097 20464194