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16422943 = 232932437
BaseRepresentation
bin111110101001…
…100000011111
31010220101001011
4332221200133
513201013233
61344000051
7256410205
oct76514037
933811034
1016422943
1192a7889
125600027
133530224
142277075
1516960cd
hexfa981f

16422943 has 8 divisors (see below), whose sum is σ = 17202528. Its totient is φ = 15648864.

The previous prime is 16422941. The next prime is 16422953. The reversal of 16422943 is 34922461.

It is a happy number.

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 16422943 - 21 = 16422941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16422941) 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, 5521 + ... + 7957.

It is an arithmetic number, because the mean of its divisors is an integer number (2150316).

Almost surely, 216422943 is an apocalyptic number.

16422943 is a deficient number, since it is larger than the sum of its proper divisors (779585).

16422943 is a wasteful number, since it uses less digits than its factorization.

16422943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753.

The product of its digits is 10368, while the sum is 31.

The square root of 16422943 is about 4052.5230412670. The cubic root of 16422943 is about 254.1852400772.

The spelling of 16422943 in words is "sixteen million, four hundred twenty-two thousand, nine hundred forty-three".

Divisors: 1 23 293 2437 6739 56051 714041 16422943