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10275231 = 33425077
BaseRepresentation
bin100111001100…
…100110011111
3201100000222010
4213030212133
510112301411
61004122303
7153223641
oct47144637
921300863
1010275231
115888a2a
123536393
132189c25
141516891
15d7e7a6
hex9cc99f

10275231 has 4 divisors (see below), whose sum is σ = 13700312. Its totient is φ = 6850152.

The previous prime is 10275211. The next prime is 10275241. The reversal of 10275231 is 13257201.

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

It is not a de Polignac number, because 10275231 - 217 = 10144159 is a prime.

It is a super-2 number, since 2×102752312 = 211160744206722, which contains 22 as substring.

It is the 3206-th Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10275198 and 10275207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10275211) by changing a digit.

It is a nontrivial repunit in base 3205.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1712536 + ... + 1712541.

It is an arithmetic number, because the mean of its divisors is an integer number (3425078).

Almost surely, 210275231 is an apocalyptic number.

10275231 is a deficient number, since it is larger than the sum of its proper divisors (3425081).

10275231 is an equidigital number, since it uses as much as digits as its factorization.

10275231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425080.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 10275231 is about 3205.5001169864. The cubic root of 10275231 is about 217.4021650093.

The spelling of 10275231 in words is "ten million, two hundred seventy-five thousand, two hundred thirty-one".

Divisors: 1 3 3425077 10275231