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20301494 = 210150747
BaseRepresentation
bin100110101110…
…0011010110110
31102012102102012
41031130122312
520144121434
62003044222
7334363013
oct115343266
942172365
1020301494
11105068a4
126970672
13428a725
1429a670a
151bb03ce
hex135c6b6

20301494 has 4 divisors (see below), whose sum is σ = 30452244. Its totient is φ = 10150746.

The previous prime is 20301409. The next prime is 20301517. The reversal of 20301494 is 49410302.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5075372 + ... + 5075375.

It is an arithmetic number, because the mean of its divisors is an integer number (7613061).

Almost surely, 220301494 is an apocalyptic number.

20301494 is a deficient number, since it is larger than the sum of its proper divisors (10150750).

20301494 is a wasteful number, since it uses less digits than its factorization.

20301494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150749.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 20301494 is about 4505.7179228176. The cubic root of 20301494 is about 272.7989323952.

Adding to 20301494 its reverse (49410302), we get a palindrome (69711796).

The spelling of 20301494 in words is "twenty million, three hundred one thousand, four hundred ninety-four".

Divisors: 1 2 10150747 20301494