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6685061 = 13151031
BaseRepresentation
bin11001100000000110000101
3110120122011212
4121200012011
53202410221
6355141205
7110551655
oct31400605
913518155
106685061
113856649
1222a4805
131500a76
14c60365
158c0b5b
hex660185

6685061 has 4 divisors (see below), whose sum is σ = 6736224. Its totient is φ = 6633900.

The previous prime is 6685043. The next prime is 6685117. The reversal of 6685061 is 1605866.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1605866 = 2802933.

It is a cyclic number.

It is not a de Polignac number, because 6685061 - 210 = 6684037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6685001) 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, 25385 + ... + 25646.

It is an arithmetic number, because the mean of its divisors is an integer number (1684056).

Almost surely, 26685061 is an apocalyptic number.

It is an amenable number.

6685061 is a deficient number, since it is larger than the sum of its proper divisors (51163).

6685061 is a wasteful number, since it uses less digits than its factorization.

6685061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51162.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 6685061 is about 2585.5484911330. The cubic root of 6685061 is about 188.3801441233.

The spelling of 6685061 in words is "six million, six hundred eighty-five thousand, sixty-one".

Divisors: 1 131 51031 6685061