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20258074 = 243235559
BaseRepresentation
bin100110101000…
…1110100011010
31102010012212001
41031101310122
520141224244
62002111214
7334122304
oct115216432
942105761
1020258074
1110487211
12694b50a
134273a35
142994974
151ba25d4
hex1351d1a

20258074 has 8 divisors (see below), whose sum is σ = 31093920. Its totient is φ = 9893436.

The previous prime is 20258071. The next prime is 20258083. The reversal of 20258074 is 47085202.

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

It is not an unprimeable number, because it can be changed into a prime (20258071) 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, 117694 + ... + 117865.

It is an arithmetic number, because the mean of its divisors is an integer number (3886740).

Almost surely, 220258074 is an apocalyptic number.

20258074 is a deficient number, since it is larger than the sum of its proper divisors (10835846).

20258074 is a wasteful number, since it uses less digits than its factorization.

20258074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235604.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 20258074 is about 4500.8970217058. The cubic root of 20258074 is about 272.6043098685.

The spelling of 20258074 in words is "twenty million, two hundred fifty-eight thousand, seventy-four".

Divisors: 1 2 43 86 235559 471118 10129037 20258074