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10512225 = 3252192459
BaseRepresentation
bin101000000110…
…011101100001
3201210002001200
4220012131201
510142342400
61013151413
7155231613
oct50063541
921702050
1010512225
115a2aa99
12362b569
132240a69
141578db3
15dc9b00
hexa06761

10512225 has 36 divisors (see below), whose sum is σ = 19827600. Its totient is φ = 5309280.

The previous prime is 10512221. The next prime is 10512241. The reversal of 10512225 is 52221501.

It is not a de Polignac number, because 10512225 - 22 = 10512221 is a prime.

It is a super-2 number, since 2×105122252 = 221013748901250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10512198 and 10512207.

It is not an unprimeable number, because it can be changed into a prime (10512221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3046 + ... + 5504.

Almost surely, 210512225 is an apocalyptic number.

10512225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10512225 is a deficient number, since it is larger than the sum of its proper divisors (9315375).

10512225 is a wasteful number, since it uses less digits than its factorization.

10512225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494 (or 2486 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 10512225 is about 3242.2561589116. The cubic root of 10512225 is about 219.0609075602.

Adding to 10512225 its reverse (52221501), we get a palindrome (62733726).

The spelling of 10512225 in words is "ten million, five hundred twelve thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 19 25 45 57 75 95 171 225 285 475 855 1425 2459 4275 7377 12295 22131 36885 46721 61475 110655 140163 184425 233605 420489 553275 700815 1168025 2102445 3504075 10512225