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16422872 = 232052859
BaseRepresentation
bin111110101001…
…011111011000
31010220100221112
4332221133120
513201012442
61343555452
7256410044
oct76513730
933810845
1016422872
1192a7824
1255bbb88
13353019b
142277024
151696082
hexfa97d8

16422872 has 8 divisors (see below), whose sum is σ = 30792900. Its totient is φ = 8211432.

The previous prime is 16422841. The next prime is 16422877. The reversal of 16422872 is 27822461.

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16422877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026422 + ... + 1026437.

Almost surely, 216422872 is an apocalyptic number.

It is an amenable number.

16422872 is a deficient number, since it is larger than the sum of its proper divisors (14370028).

16422872 is a wasteful number, since it uses less digits than its factorization.

16422872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052865 (or 2052861 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 16422872 is about 4052.5142812827. The cubic root of 16422872 is about 254.1848737771.

The spelling of 16422872 in words is "sixteen million, four hundred twenty-two thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 2052859 4105718 8211436 16422872