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101661460 = 22543118211
BaseRepresentation
bin1100000111100…
…11101100010100
321002021221022021
412003303230110
5202011131320
614030542524
72343052045
oct603635424
9232257267
10101661460
115242683a
122a067a44
13180a5b14
14d7048cc
158dd1daa
hex60f3b14

101661460 has 24 divisors (see below), whose sum is σ = 218455776. Its totient is φ = 39718560.

The previous prime is 101661451. The next prime is 101661481. The reversal of 101661460 is 64166101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58246 + ... + 59965.

It is an arithmetic number, because the mean of its divisors is an integer number (9102324).

Almost surely, 2101661460 is an apocalyptic number.

101661460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101661460 is an abundant number, since it is smaller than the sum of its proper divisors (116794316).

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

101661460 is a wasteful number, since it uses less digits than its factorization.

101661460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118263 (or 118261 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 101661460 is about 10082.7307808946. The cubic root of 101661460 is about 466.7153815358.

The spelling of 101661460 in words is "one hundred one million, six hundred sixty-one thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 118211 236422 472844 591055 1182110 2364220 5083073 10166146 20332292 25415365 50830730 101661460