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16434907 = 40514057
BaseRepresentation
bin111110101100…
…011011011011
31010220222110021
4332230123123
513201404112
61344131311
7256460116
oct76543333
933828407
1016434907
119305875
125606b37
1335357c8
14227b57d
151699907
hexfac6db

16434907 has 4 divisors (see below), whose sum is σ = 16443016. Its totient is φ = 16426800.

The previous prime is 16434889. The next prime is 16434959. The reversal of 16434907 is 70943461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 16434907 - 27 = 16434779 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (16434997) 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, 2023 + ... + 6079.

It is an arithmetic number, because the mean of its divisors is an integer number (4110754).

Almost surely, 216434907 is an apocalyptic number.

16434907 is a deficient number, since it is larger than the sum of its proper divisors (8109).

16434907 is an equidigital number, since it uses as much as digits as its factorization.

16434907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8108.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 16434907 is about 4053.9988899850. The cubic root of 16434907 is about 254.2469491559.

The spelling of 16434907 in words is "sixteen million, four hundred thirty-four thousand, nine hundred seven".

Divisors: 1 4051 4057 16434907