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16300906 = 28150453
BaseRepresentation
bin111110001011…
…101101101010
31010200011122021
4332023231222
513133112111
61341215054
7255361336
oct76135552
933604567
1016300906
119224126
12556148a
1334b980b
1422447c6
15166ed71
hexf8bb6a

16300906 has 4 divisors (see below), whose sum is σ = 24451362. Its totient is φ = 8150452.

The previous prime is 16300901. The next prime is 16300919. The reversal of 16300906 is 60900361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60900361 = 229726513.

It can be written as a sum of positive squares in only one way, i.e., 15563025 + 737881 = 3945^2 + 859^2 .

It is not an unprimeable number, because it can be changed into a prime (16300901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4075225 + ... + 4075228.

Almost surely, 216300906 is an apocalyptic number.

16300906 is the 2554-th centered pentagonal number.

16300906 is a deficient number, since it is larger than the sum of its proper divisors (8150456).

16300906 is an equidigital number, since it uses as much as digits as its factorization.

16300906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8150455.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 16300906 is about 4037.4380490603. The cubic root of 16300906 is about 253.5540670026.

The spelling of 16300906 in words is "sixteen million, three hundred thousand, nine hundred six".

Divisors: 1 2 8150453 16300906