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12276025 = 52491041
BaseRepresentation
bin101110110101…
…000100111001
3212002200112121
4232311010321
511120313100
61115041241
7206226106
oct56650471
925080477
1012276025
116a25183
124140221
13270a828
1418b7aad
15112751a
hexbb5139

12276025 has 6 divisors (see below), whose sum is σ = 15222302. Its totient is φ = 9820800.

The previous prime is 12276007. The next prime is 12276049. The reversal of 12276025 is 52067221.

It can be written as a sum of positive squares in 3 ways, for example, as 242064 + 12033961 = 492^2 + 3469^2 .

It is not a de Polignac number, because 12276025 - 211 = 12273977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 491041 = 12276025 / (1 + 2 + 2 + 7 + 6 + 0 + 2 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 245496 + ... + 245545.

Almost surely, 212276025 is an apocalyptic number.

It is an amenable number.

12276025 is a deficient number, since it is larger than the sum of its proper divisors (2946277).

12276025 is an equidigital number, since it uses as much as digits as its factorization.

12276025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491051 (or 491046 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 12276025 is about 3503.7158846002. The cubic root of 12276025 is about 230.6849462145.

The spelling of 12276025 in words is "twelve million, two hundred seventy-six thousand, twenty-five".

Divisors: 1 5 25 491041 2455205 12276025