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101560220 = 2255078011
BaseRepresentation
bin1100000110110…
…10111110011100
321002002210102122
412003122332130
5201444411340
614024442112
72342150636
oct603327634
9232083378
10101560220
1152367773
122a019338
131806ba08
14d6b9a56
158db1db5
hex60daf9c

101560220 has 12 divisors (see below), whose sum is σ = 213276504. Its totient is φ = 40624080.

The previous prime is 101560213. The next prime is 101560229. The reversal of 101560220 is 22065101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101560229) 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, 2538986 + ... + 2539025.

It is an arithmetic number, because the mean of its divisors is an integer number (17773042).

Almost surely, 2101560220 is an apocalyptic number.

101560220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101560220 is an abundant number, since it is smaller than the sum of its proper divisors (111716284).

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

101560220 is a wasteful number, since it uses less digits than its factorization.

101560220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5078020 (or 5078018 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 101560220 is about 10077.7090650604. The cubic root of 101560220 is about 466.5604032425.

The spelling of 101560220 in words is "one hundred one million, five hundred sixty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5078011 10156022 20312044 25390055 50780110 101560220