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110001985 = 5172356267
BaseRepresentation
bin1101000111001…
…11111101000001
321122222200100121
412203213331001
5211130030420
614525420241
72504000332
oct643477501
9248880317
10110001985
1157103135
1230a0a681
1319a36242
1410876289
1599cd2aa
hex68e7f41

110001985 has 16 divisors (see below), whose sum is σ = 145846656. Its totient is φ = 79222528.

The previous prime is 110001979. The next prime is 110001989. The reversal of 110001985 is 589100011.

It is a cyclic number.

It is not a de Polignac number, because 110001985 - 211 = 109999937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110001989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26179 + ... + 30088.

It is an arithmetic number, because the mean of its divisors is an integer number (9115416).

Almost surely, 2110001985 is an apocalyptic number.

It is an amenable number.

110001985 is a deficient number, since it is larger than the sum of its proper divisors (35844671).

110001985 is a wasteful number, since it uses less digits than its factorization.

110001985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56312.

The product of its (nonzero) digits is 360, while the sum is 25.

The square root of 110001985 is about 10488.1831124366. The cubic root of 110001985 is about 479.1448678006.

Adding to 110001985 its reverse (589100011), we get a palindrome (699101996).

The spelling of 110001985 in words is "one hundred ten million, one thousand, nine hundred eighty-five".

Divisors: 1 5 17 23 85 115 391 1955 56267 281335 956539 1294141 4782695 6470705 22000397 110001985