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10207280 = 245127591
BaseRepresentation
bin100110111100…
…000000110000
3201012120202102
4212330000300
510103113110
61002435532
7152521556
oct46740060
921176672
1010207280
115841976
123502ba8
132165015
1414d9bd6
15d695a5
hex9bc030

10207280 has 20 divisors (see below), whose sum is σ = 23732112. Its totient is φ = 4082880.

The previous prime is 10207273. The next prime is 10207283. The reversal of 10207280 is 8270201.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (10207283) 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, 63716 + ... + 63875.

Almost surely, 210207280 is an apocalyptic number.

10207280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10207280 is an abundant number, since it is smaller than the sum of its proper divisors (13524832).

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

10207280 is a wasteful number, since it uses less digits than its factorization.

10207280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127604 (or 127598 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 10207280 is about 3194.8834094533. The cubic root of 10207280 is about 216.9218715393.

Adding to 10207280 its reverse (8270201), we get a palindrome (18477481).

The spelling of 10207280 in words is "ten million, two hundred seven thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 127591 255182 510364 637955 1020728 1275910 2041456 2551820 5103640 10207280