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16232885 = 53246577
BaseRepresentation
bin111101111011…
…000110110101
31010112201022222
4331323012311
513123423020
61335532125
7254656124
oct75730665
933481288
1016232885
119188009
12552a045
133494876
142227abb
151659b25
hexf7b1b5

16232885 has 4 divisors (see below), whose sum is σ = 19479468. Its totient is φ = 12986304.

The previous prime is 16232873. The next prime is 16232911. The reversal of 16232885 is 58823261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58823261 = 78403323.

It can be written as a sum of positive squares in 2 ways, for example, as 2140369 + 14092516 = 1463^2 + 3754^2 .

It is a cyclic number.

It is not a de Polignac number, because 16232885 - 24 = 16232869 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

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, 1623284 + ... + 1623293.

It is an arithmetic number, because the mean of its divisors is an integer number (4869867).

Almost surely, 216232885 is an apocalyptic number.

It is an amenable number.

16232885 is a deficient number, since it is larger than the sum of its proper divisors (3246583).

16232885 is an equidigital number, since it uses as much as digits as its factorization.

16232885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246582.

The product of its digits is 23040, while the sum is 35.

The square root of 16232885 is about 4029.0054604083. The cubic root of 16232885 is about 253.2008954960.

The spelling of 16232885 in words is "sixteen million, two hundred thirty-two thousand, eight hundred eighty-five".

Divisors: 1 5 3246577 16232885