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20475010 = 252047501
BaseRepresentation
bin100111000011…
…0110010000010
31102112020102201
41032012302002
520220200020
62010503414
7336014623
oct116066202
942466381
1020475010
11106151a6
126a34b6a
13431b6ba
142a0da4a
151be6a0a
hex1386c82

20475010 has 8 divisors (see below), whose sum is σ = 36855036. Its totient is φ = 8190000.

The previous prime is 20475001. The next prime is 20475019. The reversal of 20475010 is 1057402.

It is an interprime number because it is at equal distance from previous prime (20475001) and next prime (20475019).

It can be written as a sum of positive squares in 2 ways, for example, as 18844281 + 1630729 = 4341^2 + 1277^2 .

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 (20475019) 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, 1023741 + ... + 1023760.

Almost surely, 220475010 is an apocalyptic number.

20475010 is a deficient number, since it is larger than the sum of its proper divisors (16380026).

20475010 is a wasteful number, since it uses less digits than its factorization.

20475010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047508.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 20475010 is about 4524.9320436886. The cubic root of 20475010 is about 273.5739288821.

The spelling of 20475010 in words is "twenty million, four hundred seventy-five thousand, ten".

Divisors: 1 2 5 10 2047501 4095002 10237505 20475010