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16423044 = 22311831499
BaseRepresentation
bin111110101001…
…100010000100
31010220101011220
4332221202010
513201014134
61344000340
7256410411
oct76514204
933811156
1016423044
1192a7970
1256000b0
1335302a1
142277108
151696149
hexfa9884

16423044 has 48 divisors (see below), whose sum is σ = 42336000. Its totient is φ = 4913440.

The previous prime is 16423039. The next prime is 16423051. The reversal of 16423044 is 44032461.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10207 + ... + 11705.

It is an arithmetic number, because the mean of its divisors is an integer number (882000).

Almost surely, 216423044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16423044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21168000).

16423044 is an abundant number, since it is smaller than the sum of its proper divisors (25912956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16423044 is a wasteful number, since it uses less digits than its factorization.

16423044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 16423044 is about 4052.5355026206. The cubic root of 16423044 is about 254.1857611502.

The spelling of 16423044 in words is "sixteen million, four hundred twenty-three thousand, forty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 83 132 166 249 332 498 913 996 1499 1826 2739 2998 3652 4497 5478 5996 8994 10956 16489 17988 32978 49467 65956 98934 124417 197868 248834 373251 497668 746502 1368587 1493004 2737174 4105761 5474348 8211522 16423044