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5263689 = 31939091
BaseRepresentation
bin10100000101000101001001
3100220102102110
4110011011021
52321414224
6304452533
762512014
oct24050511
910812373
105263689
112a75762
12191a149
131123b12
149b037b
156de929
hex505149

5263689 has 8 divisors (see below), whose sum is σ = 7055392. Its totient is φ = 3490560.

The previous prime is 5263679. The next prime is 5263697. The reversal of 5263689 is 9863625.

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

It is not a de Polignac number, because 5263689 - 27 = 5263561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5263639) 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, 3967 + ... + 5124.

It is an arithmetic number, because the mean of its divisors is an integer number (881924).

Almost surely, 25263689 is an apocalyptic number.

It is an amenable number.

5263689 is a deficient number, since it is larger than the sum of its proper divisors (1791703).

5263689 is a wasteful number, since it uses less digits than its factorization.

5263689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9287.

The product of its digits is 77760, while the sum is 39.

The square root of 5263689 is about 2294.2730874942. The cubic root of 5263689 is about 173.9522593295.

It can be divided in two parts, 52636 and 89, that added together give a palindrome (52725).

The spelling of 5263689 in words is "five million, two hundred sixty-three thousand, six hundred eighty-nine".

Divisors: 1 3 193 579 9091 27273 1754563 5263689