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42485633 = 200321211
BaseRepresentation
bin1010001000010…
…0011110000001
32221221111022222
42202010132001
541334020013
64114340425
71024056551
oct242043601
987844288
1042485633
1121a890a3
121228a715
138a57038
1458dd161
153ae3508
hex2884781

42485633 has 4 divisors (see below), whose sum is σ = 42508848. Its totient is φ = 42462420.

The previous prime is 42485629. The next prime is 42485659. The reversal of 42485633 is 33658424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42485633 - 22 = 42485629 is a prime.

It is a super-2 number, since 2×424856332 = 3610058022821378, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42485593 and 42485602.

It is not an unprimeable number, because it can be changed into a prime (42485033) 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, 8603 + ... + 12608.

It is an arithmetic number, because the mean of its divisors is an integer number (10627212).

Almost surely, 242485633 is an apocalyptic number.

It is an amenable number.

42485633 is a deficient number, since it is larger than the sum of its proper divisors (23215).

42485633 is a wasteful number, since it uses less digits than its factorization.

42485633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23214.

The product of its digits is 69120, while the sum is 35.

The square root of 42485633 is about 6518.1004134640. The cubic root of 42485633 is about 348.9372744089.

The spelling of 42485633 in words is "forty-two million, four hundred eighty-five thousand, six hundred thirty-three".

Divisors: 1 2003 21211 42485633