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16469345 = 517193757
BaseRepresentation
bin111110110100…
…110101100001
31010222201200202
4332310311201
513204004340
61344554545
7256662404
oct76646541
933881622
1016469345
119329732
125622a55
133548399
142289d3b
1516a4c15
hexfb4d61

16469345 has 8 divisors (see below), whose sum is σ = 20925864. Its totient is φ = 12400384.

The previous prime is 16469309. The next prime is 16469347. The reversal of 16469345 is 54396461.

It can be written as a sum of positive squares in 4 ways, for example, as 2211169 + 14258176 = 1487^2 + 3776^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16469345 - 26 = 16469281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16469299 and 16469308.

It is not an unprimeable number, because it can be changed into a prime (16469347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96794 + ... + 96963.

It is an arithmetic number, because the mean of its divisors is an integer number (2615733).

Almost surely, 216469345 is an apocalyptic number.

It is an amenable number.

16469345 is a deficient number, since it is larger than the sum of its proper divisors (4456519).

16469345 is a wasteful number, since it uses less digits than its factorization.

16469345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193779.

The product of its digits is 77760, while the sum is 38.

The square root of 16469345 is about 4058.2440784162. The cubic root of 16469345 is about 254.4244098069.

The spelling of 16469345 in words is "sixteen million, four hundred sixty-nine thousand, three hundred forty-five".

Divisors: 1 5 17 85 193757 968785 3293869 16469345