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2983257 = 33110491
BaseRepresentation
bin1011011000010101011001
312121120021000
423120111121
51230431012
6143535213
734233354
oct13302531
95546230
102983257
111758402
12bba509
13805b54
1457929b
153ddddc
hex2d8559

2983257 has 8 divisors (see below), whose sum is σ = 4419680. Its totient is φ = 1988820.

The previous prime is 2983243. The next prime is 2983271. The reversal of 2983257 is 7523892.

It is a happy number.

2983257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2983243) and next prime (2983271).

It is not a de Polignac number, because 2983257 - 210 = 2982233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2983457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55219 + ... + 55272.

It is an arithmetic number, because the mean of its divisors is an integer number (552460).

22983257 is an apocalyptic number.

2983257 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2983257 is a deficient number, since it is larger than the sum of its proper divisors (1436423).

2983257 is a wasteful number, since it uses less digits than its factorization.

2983257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110500 (or 110494 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 2983257 is about 1727.2107572615. The cubic root of 2983257 is about 143.9561498428.

It can be divided in two parts, 2983 and 257, that added together give a triangular number (3240 = T80).

The spelling of 2983257 in words is "two million, nine hundred eighty-three thousand, two hundred fifty-seven".

Divisors: 1 3 9 27 110491 331473 994419 2983257