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16149995 = 56415039
BaseRepresentation
bin111101100110…
…110111101011
31010101111121222
4331212313223
513113244440
61334052255
7254162351
oct75466753
933344558
1016149995
119130804
1254aa08b
133465c14
1422057d1
1516402b5
hexf66deb

16149995 has 8 divisors (see below), whose sum is σ = 19414080. Its totient is φ = 12897280.

The previous prime is 16149989. The next prime is 16149997. The reversal of 16149995 is 59994161.

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

It is not a de Polignac number, because 16149995 - 210 = 16148971 is a prime.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (16149997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686 + ... + 5724.

It is an arithmetic number, because the mean of its divisors is an integer number (2426760).

Almost surely, 216149995 is an apocalyptic number.

16149995 is a deficient number, since it is larger than the sum of its proper divisors (3264085).

16149995 is an equidigital number, since it uses as much as digits as its factorization.

16149995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5685.

The product of its digits is 87480, while the sum is 44.

The square root of 16149995 is about 4018.7056373912. The cubic root of 16149995 is about 252.7691865033.

The spelling of 16149995 in words is "sixteen million, one hundred forty-nine thousand, nine hundred ninety-five".

Divisors: 1 5 641 3205 5039 25195 3229999 16149995