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16382690 = 251638269
BaseRepresentation
bin111110011111…
…101011100010
31010211022211022
4332133223202
513143221230
61343045442
7256151642
oct76375342
933738738
1016382690
11927a615
1255a0882
133517acc
142266522
1516891e5
hexf9fae2

16382690 has 8 divisors (see below), whose sum is σ = 29488860. Its totient is φ = 6553072.

The previous prime is 16382677. The next prime is 16382719. The reversal of 16382690 is 9628361.

It can be written as a sum of positive squares in 2 ways, for example, as 16313521 + 69169 = 4039^2 + 263^2 .

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

It is a super-2 number, since 2×163826902 = 536785063272200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16382690.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 819125 + ... + 819144.

Almost surely, 216382690 is an apocalyptic number.

16382690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16382690 is a deficient number, since it is larger than the sum of its proper divisors (13106170).

16382690 is a wasteful number, since it uses less digits than its factorization.

16382690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638276.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 16382690 is about 4047.5535821036. The cubic root of 16382690 is about 253.9773989438.

The spelling of 16382690 in words is "sixteen million, three hundred eighty-two thousand, six hundred ninety".

Divisors: 1 2 5 10 1638269 3276538 8191345 16382690