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10207025 = 52557733
BaseRepresentation
bin100110111011…
…111100110001
3201012120101222
4212323330301
510103111100
61002434425
7152521043
oct46737461
921176358
1010207025
115841764
123502a15
132164b7a
1414d9a93
15d69485
hex9bbf31

10207025 has 12 divisors (see below), whose sum is σ = 12696732. Its totient is φ = 8139840.

The previous prime is 10207007. The next prime is 10207049. The reversal of 10207025 is 52070201.

It can be written as a sum of positive squares in 6 ways, for example, as 43681 + 10163344 = 209^2 + 3188^2 .

It is not a de Polignac number, because 10207025 - 28 = 10206769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10206994 and 10207012.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13559 + ... + 14291.

It is an arithmetic number, because the mean of its divisors is an integer number (1058061).

Almost surely, 210207025 is an apocalyptic number.

It is an amenable number.

10207025 is a deficient number, since it is larger than the sum of its proper divisors (2489707).

10207025 is an equidigital number, since it uses as much as digits as its factorization.

10207025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300 (or 1295 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 10207025 is about 3194.8435016445. The cubic root of 10207025 is about 216.9200651312.

Adding to 10207025 its reverse (52070201), we get a palindrome (62277226).

The spelling of 10207025 in words is "ten million, two hundred seven thousand, twenty-five".

Divisors: 1 5 25 557 733 2785 3665 13925 18325 408281 2041405 10207025