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20074495 = 57573557
BaseRepresentation
bin100110010010…
…0111111111111
31101202220000211
41030210333333
520114340440
61554133251
7332426140
oct114447777
941686024
1020074495
11103712a1
126881227
13420b2cc
142947ac7
151b67eea
hex1324fff

20074495 has 8 divisors (see below), whose sum is σ = 27530784. Its totient is φ = 13765344.

The previous prime is 20074477. The next prime is 20074511. The reversal of 20074495 is 59447002.

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

It is a cyclic number.

It is not a de Polignac number, because 20074495 - 27 = 20074367 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a zygodrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286744 + ... + 286813.

It is an arithmetic number, because the mean of its divisors is an integer number (3441348).

Almost surely, 220074495 is an apocalyptic number.

20074495 is a deficient number, since it is larger than the sum of its proper divisors (7456289).

20074495 is an equidigital number, since it uses as much as digits as its factorization.

20074495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573569.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 20074495 is about 4480.4570079401. The cubic root of 20074495 is about 271.7783616551.

The spelling of 20074495 in words is "twenty million, seventy-four thousand, four hundred ninety-five".

Divisors: 1 5 7 35 573557 2867785 4014899 20074495