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3106261 = 3722269
BaseRepresentation
bin1011110110010111010101
312211210222201
423312113111
51243400021
6150324501
735255104
oct13662725
95753881
103106261
111831864
121059731
13849b32
145ac03b
15415591
hex2f65d5

3106261 has 6 divisors (see below), whose sum is σ = 3193890. Its totient is φ = 3020976.

The previous prime is 3106237. The next prime is 3106273. The reversal of 3106261 is 1626013.

It can be written as a sum of positive squares in 3 ways, for example, as 874225 + 2232036 = 935^2 + 1494^2 .

It is not a de Polignac number, because 3106261 - 27 = 3106133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3106361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235 + ... + 2503.

It is an arithmetic number, because the mean of its divisors is an integer number (532315).

Almost surely, 23106261 is an apocalyptic number.

It is an amenable number.

3106261 is a deficient number, since it is larger than the sum of its proper divisors (87629).

3106261 is an equidigital number, since it uses as much as digits as its factorization.

3106261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343 (or 2306 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3106261 is about 1762.4587938446. The cubic root of 3106261 is about 145.9080706079.

The spelling of 3106261 in words is "three million, one hundred six thousand, two hundred sixty-one".

Divisors: 1 37 1369 2269 83953 3106261