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6364690 = 25636469
BaseRepresentation
bin11000010001111000010010
3102222100201021
4120101320102
53112132230
6344230054
7105045643
oct30217022
912870637
106364690
113657982
12216b32a
13141acb7
14bb96ca
1585ac7a
hex611e12

6364690 has 8 divisors (see below), whose sum is σ = 11456460. Its totient is φ = 2545872.

The previous prime is 6364663. The next prime is 6364691. The reversal of 6364690 is 964636.

It can be written as a sum of positive squares in 2 ways, for example, as 5322249 + 1042441 = 2307^2 + 1021^2 .

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

It is a super-2 number, since 2×63646902 = 81018557592200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6364691) 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, 318225 + ... + 318244.

Almost surely, 26364690 is an apocalyptic number.

6364690 is a deficient number, since it is larger than the sum of its proper divisors (5091770).

6364690 is a wasteful number, since it uses less digits than its factorization.

6364690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636476.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 6364690 is about 2522.8337242078. The cubic root of 6364690 is about 185.3214765920.

It can be divided in two parts, 63646 and 90, that added together give a palindrome (63736).

The spelling of 6364690 in words is "six million, three hundred sixty-four thousand, six hundred ninety".

Divisors: 1 2 5 10 636469 1272938 3182345 6364690