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16424291 = 134726881
BaseRepresentation
bin111110101001…
…110101100011
31010220102220002
4332221311203
513201034131
61344010215
7256414142
oct76516543
933812802
1016424291
1192a88a4
12560096b
133530a20
142277759
1516966cb
hexfa9d63

16424291 has 8 divisors (see below), whose sum is σ = 18064704. Its totient is φ = 14837760.

The previous prime is 16424273. The next prime is 16424293. The reversal of 16424291 is 19242461.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16424291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16424293) 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, 12830 + ... + 14051.

It is an arithmetic number, because the mean of its divisors is an integer number (2258088).

Almost surely, 216424291 is an apocalyptic number.

16424291 is a deficient number, since it is larger than the sum of its proper divisors (1640413).

16424291 is a wasteful number, since it uses less digits than its factorization.

16424291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26941.

The product of its digits is 3456, while the sum is 29.

The square root of 16424291 is about 4052.6893539969. The cubic root of 16424291 is about 254.1921944201.

The spelling of 16424291 in words is "sixteen million, four hundred twenty-four thousand, two hundred ninety-one".

Divisors: 1 13 47 611 26881 349453 1263407 16424291