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101244320 = 255632777
BaseRepresentation
bin1100000100011…
…01110110100000
321001111202002122
412002031312200
5201404304240
614014003412
72336363642
oct602156640
9231452078
10101244320
11521713a1
1229aa6568
1317c8aca8
14d636892
158d4d4b5
hex608dda0

101244320 has 24 divisors (see below), whose sum is σ = 239190084. Its totient is φ = 40497664.

The previous prime is 101244301. The next prime is 101244329. The reversal of 101244320 is 23442101.

It can be written as a sum of positive squares in 2 ways, for example, as 98327056 + 2917264 = 9916^2 + 1708^2 .

It is not an unprimeable number, because it can be changed into a prime (101244329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316229 + ... + 316548.

Almost surely, 2101244320 is an apocalyptic number.

101244320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101244320 is an abundant number, since it is smaller than the sum of its proper divisors (137945764).

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

101244320 is an equidigital number, since it uses as much as digits as its factorization.

101244320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632792 (or 632784 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 101244320 is about 10062.0236533214. The cubic root of 101244320 is about 466.0761601347.

Adding to 101244320 its reverse (23442101), we get a palindrome (124686421).

The spelling of 101244320 in words is "one hundred one million, two hundred forty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 632777 1265554 2531108 3163885 5062216 6327770 10124432 12655540 20248864 25311080 50622160 101244320