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101382885 = 3252252953
BaseRepresentation
bin1100000101011…
…11101011100101
321001202210011200
412002233223211
5201423223020
614020553113
72340511632
oct602575345
9231683150
10101382885
115225650a
1229b52799
1318009096
14d671189
158d79590
hex60afae5

101382885 has 12 divisors (see below), whose sum is σ = 175730412. Its totient is φ = 54070848.

The previous prime is 101382881. The next prime is 101382887. The reversal of 101382885 is 588283101.

It can be written as a sum of positive squares in 2 ways, for example, as 69505569 + 31877316 = 8337^2 + 5646^2 .

It is not a de Polignac number, because 101382885 - 22 = 101382881 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101382881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1126432 + ... + 1126521.

It is an arithmetic number, because the mean of its divisors is an integer number (14644201).

Almost surely, 2101382885 is an apocalyptic number.

101382885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101382885 is a deficient number, since it is larger than the sum of its proper divisors (74347527).

101382885 is a wasteful number, since it uses less digits than its factorization.

101382885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252964 (or 2252961 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 101382885 is about 10068.9068423538. The cubic root of 101382885 is about 466.2886902561.

The spelling of 101382885 in words is "one hundred one million, three hundred eighty-two thousand, eight hundred eighty-five".

Divisors: 1 3 5 9 15 45 2252953 6758859 11264765 20276577 33794295 101382885