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6867442 = 223314737
BaseRepresentation
bin11010001100100111110010
3110220220100201
4122030213302
53224224232
6403105414
7112241461
oct32144762
913826321
106867442
11397067a
12237226a
131565a9a
14caa9d8
15909be7
hex68c9f2

6867442 has 8 divisors (see below), whose sum is σ = 10346076. Its totient is φ = 3418752.

The previous prime is 6867437. The next prime is 6867449. The reversal of 6867442 is 2447686.

It can be written as a sum of positive squares in 2 ways, for example, as 6859161 + 8281 = 2619^2 + 91^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6867449) 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, 6903 + ... + 7834.

Almost surely, 26867442 is an apocalyptic number.

6867442 is a deficient number, since it is larger than the sum of its proper divisors (3478634).

6867442 is a wasteful number, since it uses less digits than its factorization.

6867442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14972.

The product of its digits is 64512, while the sum is 37.

The square root of 6867442 is about 2620.5804700486. The cubic root of 6867442 is about 190.0779181802.

It can be divided in two parts, 686 and 7442, that added together give a triangular number (8128 = T127).

The spelling of 6867442 in words is "six million, eight hundred sixty-seven thousand, four hundred forty-two".

Divisors: 1 2 233 466 14737 29474 3433721 6867442