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6977385 = 325473299
BaseRepresentation
bin11010100111011101101001
3111010111011200
4122213131221
53241234020
6405314413
7113210142
oct32473551
914114150
106977385
113a36238
122405a09
1315a3b3c
14cd8ac9
1592c590
hex6a7769

6977385 has 24 divisors (see below), whose sum is σ = 12355200. Its totient is φ = 3640992.

The previous prime is 6977381. The next prime is 6977393. The reversal of 6977385 is 5837796.

It is a happy number.

It is not a de Polignac number, because 6977385 - 22 = 6977381 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a d-powerful number, because it can be written as 65 + 94 + 74 + 74 + 314 + 87 + 57 .

It is a self number, because there is not a number n which added to its sum of digits gives 6977385.

It is not an unprimeable number, because it can be changed into a prime (6977381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 466 + ... + 3764.

It is an arithmetic number, because the mean of its divisors is an integer number (514800).

Almost surely, 26977385 is an apocalyptic number.

It is an amenable number.

6977385 is a deficient number, since it is larger than the sum of its proper divisors (5377815).

6977385 is a wasteful number, since it uses less digits than its factorization.

6977385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3357 (or 3354 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 6977385 is about 2641.4740203152. The cubic root of 6977385 is about 191.0868915610.

The spelling of 6977385 in words is "six million, nine hundred seventy-seven thousand, three hundred eighty-five".

Divisors: 1 3 5 9 15 45 47 141 235 423 705 2115 3299 9897 16495 29691 49485 148455 155053 465159 775265 1395477 2325795 6977385