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16430677 = 149110273
BaseRepresentation
bin111110101011…
…011001010101
31010220202122121
4332223121111
513201240202
61344055541
7256441564
oct76533125
933822577
1016430677
11930267a
1256045b1
1335338c3
142279bdb
151698537
hexfab655

16430677 has 4 divisors (see below), whose sum is σ = 16541100. Its totient is φ = 16320256.

The previous prime is 16430641. The next prime is 16430681. The reversal of 16430677 is 77603461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10699441 + 5731236 = 3271^2 + 2394^2 .

It is a cyclic number.

It is not a de Polignac number, because 16430677 - 27 = 16430549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16430077) 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, 54988 + ... + 55285.

It is an arithmetic number, because the mean of its divisors is an integer number (4135275).

Almost surely, 216430677 is an apocalyptic number.

It is an amenable number.

16430677 is a deficient number, since it is larger than the sum of its proper divisors (110423).

16430677 is a wasteful number, since it uses less digits than its factorization.

16430677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110422.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 16430677 is about 4053.4771493127. The cubic root of 16430677 is about 254.2251346754.

The spelling of 16430677 in words is "sixteen million, four hundred thirty thousand, six hundred seventy-seven".

Divisors: 1 149 110273 16430677