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5381690 = 251731657
BaseRepresentation
bin10100100001111000111010
3101010102021212
4110201320322
52334203230
6311203122
763513026
oct24417072
911112255
105381690
113046386
1219764a2
131165742
14a01386
15714895
hex521e3a

5381690 has 16 divisors (see below), whose sum is σ = 10257192. Its totient is φ = 2025984.

The previous prime is 5381689. The next prime is 5381699. The reversal of 5381690 is 961835.

It can be written as a sum of positive squares in 4 ways, for example, as 4844401 + 537289 = 2201^2 + 733^2 .

It is a super-2 number, since 2×53816902 = 57925174512200, which contains 22 as substring.

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (5381699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15659 + ... + 15998.

Almost surely, 25381690 is an apocalyptic number.

5381690 is a deficient number, since it is larger than the sum of its proper divisors (4875502).

5381690 is a wasteful number, since it uses less digits than its factorization.

5381690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31681.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 5381690 is about 2319.8469777121. The cubic root of 5381690 is about 175.2425480296.

The spelling of 5381690 in words is "five million, three hundred eighty-one thousand, six hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 31657 63314 158285 316570 538169 1076338 2690845 5381690