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3090257 = 23134359
BaseRepresentation
bin1011110010011101010001
312211000000222
423302131101
51242342012
6150122425
735160332
oct13623521
95730028
103090257
111820835
121050415
13842771
145a6289
15410972
hex2f2751

3090257 has 4 divisors (see below), whose sum is σ = 3224640. Its totient is φ = 2955876.

The previous prime is 3090253. The next prime is 3090287. The reversal of 3090257 is 7520903.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3090257 - 22 = 3090253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3090253) 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, 67157 + ... + 67202.

It is an arithmetic number, because the mean of its divisors is an integer number (806160).

Almost surely, 23090257 is an apocalyptic number.

It is an amenable number.

3090257 is a deficient number, since it is larger than the sum of its proper divisors (134383).

3090257 is a wasteful number, since it uses less digits than its factorization.

3090257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134382.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 3090257 is about 1757.9126827007. The cubic root of 3090257 is about 145.6570577253.

The spelling of 3090257 in words is "three million, ninety thousand, two hundred fifty-seven".

Divisors: 1 23 134359 3090257