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18095948 = 2213438093
BaseRepresentation
bin100010100000…
…1111101001100
31021001100222022
41011001331030
514113032243
61443505312
7306545603
oct105017514
937040868
1018095948
11a23a832
126088238
133997880
142590a3a
1518c6b68
hex1141f4c

18095948 has 24 divisors (see below), whose sum is σ = 34901328. Its totient is φ = 8156736.

The previous prime is 18095941. The next prime is 18095951. The reversal of 18095948 is 84959081.

18095948 is nontrivially palindromic in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 18095899 and 18095908.

It is not an unprimeable number, because it can be changed into a prime (18095941) 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, 1811 + ... + 6282.

It is an arithmetic number, because the mean of its divisors is an integer number (1454222).

Almost surely, 218095948 is an apocalyptic number.

It is an amenable number.

18095948 is a deficient number, since it is larger than the sum of its proper divisors (16805380).

18095948 is a wasteful number, since it uses less digits than its factorization.

18095948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8153 (or 8151 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 18095948 is about 4253.9332387803. The cubic root of 18095948 is about 262.5389716893.

The spelling of 18095948 in words is "eighteen million, ninety-five thousand, nine hundred forty-eight".

Divisors: 1 2 4 13 26 43 52 86 172 559 1118 2236 8093 16186 32372 105209 210418 347999 420836 695998 1391996 4523987 9047974 18095948