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16427707 = 76121587
BaseRepresentation
bin111110101010…
…101010111011
31010220121120121
4332222222323
513201141312
61344034111
7256430122
oct76525273
933817517
1016427707
11930041a
125602937
13353244a
142278ab9
151697707
hexfaaabb

16427707 has 4 divisors (see below), whose sum is σ = 16450056. Its totient is φ = 16405360.

The previous prime is 16427693. The next prime is 16427711. The reversal of 16427707 is 70772461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70772461 = 97729613.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16427707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16427407) 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, 10033 + ... + 11554.

It is an arithmetic number, because the mean of its divisors is an integer number (4112514).

Almost surely, 216427707 is an apocalyptic number.

16427707 is a deficient number, since it is larger than the sum of its proper divisors (22349).

16427707 is an equidigital number, since it uses as much as digits as its factorization.

16427707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22348.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 16427707 is about 4053.1107806227. The cubic root of 16427707 is about 254.2098158878.

The spelling of 16427707 in words is "sixteen million, four hundred twenty-seven thousand, seven hundred seven".

Divisors: 1 761 21587 16427707