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6983397 = 32775933
BaseRepresentation
bin11010101000111011100101
3111010210102100
4122220323211
53241432042
6405402313
7113233521
oct32507345
914123370
106983397
113a3a803
122409399
1315a67b5
14cdad81
1592e24c
hex6a8ee5

6983397 has 6 divisors (see below), whose sum is σ = 10087142. Its totient is φ = 4655592.

The previous prime is 6983387. The next prime is 6983411. The reversal of 6983397 is 7933896.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5731236 + 1252161 = 2394^2 + 1119^2 .

It is not a de Polignac number, because 6983397 - 24 = 6983381 is a prime.

It is a Duffinian number.

6983397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6983357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 387958 + ... + 387975.

Almost surely, 26983397 is an apocalyptic number.

It is an amenable number.

6983397 is a deficient number, since it is larger than the sum of its proper divisors (3103745).

6983397 is a wasteful number, since it uses less digits than its factorization.

6983397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775939 (or 775936 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 6983397 is about 2642.6117762547. The cubic root of 6983397 is about 191.1417585632.

It can be divided in two parts, 698 and 3397, that added together give a triangular number (4095 = T90).

The spelling of 6983397 in words is "six million, nine hundred eighty-three thousand, three hundred ninety-seven".

Divisors: 1 3 9 775933 2327799 6983397