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16133089 = 72304727
BaseRepresentation
bin111101100010…
…101111100001
31010100122102211
4331202233201
513112224324
61333442121
7254062150
oct75425741
933318384
1016133089
11911a035
1254a0341
13345b30b
1421dd597
15163a294
hexf62be1

16133089 has 4 divisors (see below), whose sum is σ = 18437824. Its totient is φ = 13828356.

The previous prime is 16133087. The next prime is 16133093. The reversal of 16133089 is 98033161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16133089 - 21 = 16133087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16133089.

It is not an unprimeable number, because it can be changed into a prime (16133087) 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, 1152357 + ... + 1152370.

It is an arithmetic number, because the mean of its divisors is an integer number (4609456).

Almost surely, 216133089 is an apocalyptic number.

It is an amenable number.

16133089 is a deficient number, since it is larger than the sum of its proper divisors (2304735).

16133089 is an equidigital number, since it uses as much as digits as its factorization.

16133089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304734.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 16133089 is about 4016.6016730565. The cubic root of 16133089 is about 252.6809551477.

The spelling of 16133089 in words is "sixteen million, one hundred thirty-three thousand, eighty-nine".

Divisors: 1 7 2304727 16133089