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16004172 = 2232945989
BaseRepresentation
bin111101000011…
…010001001100
31010010002121010
4331003101030
513044113142
61331005220
7253014252
oct75032114
933102533
1016004172
119041198
125439810
133414732
1421a85d2
151611e9c
hexf4344c

16004172 has 24 divisors (see below), whose sum is σ = 38631600. Its totient is φ = 5150656.

The previous prime is 16004171. The next prime is 16004179. The reversal of 16004172 is 27140061.

It is a super-2 number, since 2×160041722 = 512267042811168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16004171) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22647 + ... + 23342.

It is an arithmetic number, because the mean of its divisors is an integer number (1609650).

Almost surely, 216004172 is an apocalyptic number.

16004172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16004172 is an abundant number, since it is smaller than the sum of its proper divisors (22627428).

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

16004172 is a wasteful number, since it uses less digits than its factorization.

16004172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46025 (or 46023 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 16004172 is about 4000.5214660092. The cubic root of 16004172 is about 252.0061097032.

The spelling of 16004172 in words is "sixteen million, four thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 45989 91978 137967 183956 275934 551868 1333681 2667362 4001043 5334724 8002086 16004172