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20035245 = 351335683
BaseRepresentation
bin100110001101…
…1011010101101
31101200220012010
41030123122231
520112111440
61553231433
7332203536
oct114333255
941626163
1020035245
111034485a
126862579
1341c6499
14293768d
151b5b580
hex131b6ad

20035245 has 8 divisors (see below), whose sum is σ = 32056416. Its totient is φ = 10685456.

The previous prime is 20035229. The next prime is 20035283. The reversal of 20035245 is 54253002.

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 20035245 - 24 = 20035229 is a prime.

It is a super-2 number, since 2×200352452 = 802822084420050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667827 + ... + 667856.

It is an arithmetic number, because the mean of its divisors is an integer number (4007052).

Almost surely, 220035245 is an apocalyptic number.

It is an amenable number.

20035245 is a deficient number, since it is larger than the sum of its proper divisors (12021171).

20035245 is a wasteful number, since it uses less digits than its factorization.

20035245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335691.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 20035245 is about 4476.0747312796. The cubic root of 20035245 is about 271.6011175027.

Adding to 20035245 its reverse (54253002), we get a palindrome (74288247).

The spelling of 20035245 in words is "twenty million, thirty-five thousand, two hundred forty-five".

Divisors: 1 3 5 15 1335683 4007049 6678415 20035245