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10275481 = 53193877
BaseRepresentation
bin100111001100…
…101010011001
3201100001022101
4213030222121
510112303411
61004123401
7153224446
oct47145231
921301271
1010275481
115889137
123536561
13218a088
1415169cd
15d7e8c1
hex9cca99

10275481 has 4 divisors (see below), whose sum is σ = 10469412. Its totient is φ = 10081552.

The previous prime is 10275479. The next prime is 10275521. The reversal of 10275481 is 18457201.

10275481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9030025 + 1245456 = 3005^2 + 1116^2 .

It is a cyclic number.

It is not a de Polignac number, because 10275481 - 21 = 10275479 is a prime.

It is a super-2 number, since 2×102754812 = 211171019562722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10275431) 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, 96886 + ... + 96991.

It is an arithmetic number, because the mean of its divisors is an integer number (2617353).

Almost surely, 210275481 is an apocalyptic number.

It is an amenable number.

10275481 is a deficient number, since it is larger than the sum of its proper divisors (193931).

10275481 is an equidigital number, since it uses as much as digits as its factorization.

10275481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193930.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 10275481 is about 3205.5391122243. The cubic root of 10275481 is about 217.4039281521.

The spelling of 10275481 in words is "ten million, two hundred seventy-five thousand, four hundred eighty-one".

Divisors: 1 53 193877 10275481