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18295712 = 25571741
BaseRepresentation
bin100010111001…
…0101110100000
31021102111222222
41011302232200
514140430322
61452050212
7311340161
oct105625640
937374888
1018295712
11a366926
126163968
133a37786
142603768
151915e42
hex1172ba0

18295712 has 12 divisors (see below), whose sum is σ = 36019746. Its totient is φ = 9147840.

The previous prime is 18295709. The next prime is 18295729. The reversal of 18295712 is 21759281.

It can be written as a sum of positive squares in only one way, i.e., 14776336 + 3519376 = 3844^2 + 1876^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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 as a sum of consecutive naturals, namely, 285839 + ... + 285902.

Almost surely, 218295712 is an apocalyptic number.

It is an amenable number.

18295712 is a deficient number, since it is larger than the sum of its proper divisors (17724034).

18295712 is an equidigital number, since it uses as much as digits as its factorization.

18295712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571751 (or 571743 counting only the distinct ones).

The product of its digits is 10080, while the sum is 35.

The square root of 18295712 is about 4277.3487115268. The cubic root of 18295712 is about 263.5015080562.

The spelling of 18295712 in words is "eighteen million, two hundred ninety-five thousand, seven hundred twelve".

Divisors: 1 2 4 8 16 32 571741 1143482 2286964 4573928 9147856 18295712