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103300640 = 255645629
BaseRepresentation
bin1100010100000…
…11111000100000
321012101012211122
412022003320200
5202421110030
614130031412
72363020022
oct612037040
9235335748
10103300640
1153346333
122a718568
131852ac51
14da10012
1591078e5
hex6283e20

103300640 has 24 divisors (see below), whose sum is σ = 244048140. Its totient is φ = 41320192.

The previous prime is 103300601. The next prime is 103300643. The reversal of 103300640 is 46003301.

It can be written as a sum of positive squares in 2 ways, for example, as 88585744 + 14714896 = 9412^2 + 3836^2 .

It is not an unprimeable number, because it can be changed into a prime (103300643) 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, 322655 + ... + 322974.

Almost surely, 2103300640 is an apocalyptic number.

103300640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103300640 is an abundant number, since it is smaller than the sum of its proper divisors (140747500).

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

103300640 is an equidigital number, since it uses as much as digits as its factorization.

103300640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645644 (or 645636 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 103300640 is about 10163.6922424875. The cubic root of 103300640 is about 469.2104443956.

Adding to 103300640 its reverse (46003301), we get a palindrome (149303941).

The spelling of 103300640 in words is "one hundred three million, three hundred thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 645629 1291258 2582516 3228145 5165032 6456290 10330064 12912580 20660128 25825160 51650320 103300640