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20250097 = 723125777
BaseRepresentation
bin100110100111…
…1110111110001
31102002210220121
41031033313301
520141000342
62002010241
7334060120
oct115176761
942083817
1020250097
111048121a
126946981
13427020a
142991ab7
151ba0067
hex134fdf1

20250097 has 8 divisors (see below), whose sum is σ = 24149376. Its totient is φ = 16602432.

The previous prime is 20250089. The next prime is 20250101. The reversal of 20250097 is 79005202.

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

It is not a de Polignac number, because 20250097 - 23 = 20250089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20250007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62728 + ... + 63049.

It is an arithmetic number, because the mean of its divisors is an integer number (3018672).

Almost surely, 220250097 is an apocalyptic number.

It is an amenable number.

20250097 is a deficient number, since it is larger than the sum of its proper divisors (3899279).

20250097 is a wasteful number, since it uses less digits than its factorization.

20250097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125807.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 20250097 is about 4500.0107777649. The cubic root of 20250097 is about 272.5685241357.

Adding to 20250097 its reverse (79005202), we get a palindrome (99255299).

The spelling of 20250097 in words is "twenty million, two hundred fifty thousand, ninety-seven".

Divisors: 1 7 23 161 125777 880439 2892871 20250097