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101228471 = 503920089
BaseRepresentation
bin1100000100010…
…01111110110111
321001110221100122
412002021332313
5201403302341
614013402155
72336266511
oct602117667
9231427318
10101228471
11521604a3
1229a9935b
1317c83a06
14d630bb1
158d4894b
hex6089fb7

101228471 has 4 divisors (see below), whose sum is σ = 101253600. Its totient is φ = 101203344.

The previous prime is 101228441. The next prime is 101228537. The reversal of 101228471 is 174822101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101228471 - 210 = 101227447 is a prime.

It is a super-3 number, since 3×1012284713 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101228471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101228431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5006 + ... + 15083.

It is an arithmetic number, because the mean of its divisors is an integer number (25313400).

Almost surely, 2101228471 is an apocalyptic number.

101228471 is a deficient number, since it is larger than the sum of its proper divisors (25129).

101228471 is an equidigital number, since it uses as much as digits as its factorization.

101228471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25128.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 101228471 is about 10061.2360572645. The cubic root of 101228471 is about 466.0518386829.

The spelling of 101228471 in words is "one hundred one million, two hundred twenty-eight thousand, four hundred seventy-one".

Divisors: 1 5039 20089 101228471