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16440714 = 232913373
BaseRepresentation
bin111110101101…
…110110001010
31010221021102100
4332231312022
513202100324
61344214230
7256513053
oct76556612
933837370
1016440714
11930a174
12560a376
133538344
14227d72a
15169b4c9
hexfadd8a

16440714 has 12 divisors (see below), whose sum is σ = 35621586. Its totient is φ = 5480232.

The previous prime is 16440673. The next prime is 16440727. The reversal of 16440714 is 41704461.

16440714 is a `hidden beast` number, since 1 + 644 + 0 + 7 + 14 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16040025 + 400689 = 4005^2 + 633^2 .

It is a super-3 number, since 3×164407143 (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 456669 + ... + 456704.

Almost surely, 216440714 is an apocalyptic number.

16440714 is an abundant number, since it is smaller than the sum of its proper divisors (19180872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16440714 is a wasteful number, since it uses less digits than its factorization.

16440714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913381 (or 913378 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 16440714 is about 4054.7150331435. The cubic root of 16440714 is about 254.2768902680.

The spelling of 16440714 in words is "sixteen million, four hundred forty thousand, seven hundred fourteen".

Divisors: 1 2 3 6 9 18 913373 1826746 2740119 5480238 8220357 16440714