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90682667 = 121374759
BaseRepresentation
bin1010110011110…
…11010100101011
320022122011020022
411121323110223
5141203321132
612555351055
72150534645
oct531732453
9208564208
1090682667
1147208259
122645248b
1315a308aa
14c087895
157e63e12
hex567b52b

90682667 has 4 divisors (see below), whose sum is σ = 90758640. Its totient is φ = 90606696.

The previous prime is 90682651. The next prime is 90682703. The reversal of 90682667 is 76628609.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90682667 - 24 = 90682651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90682637) 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, 36167 + ... + 38592.

It is an arithmetic number, because the mean of its divisors is an integer number (22689660).

Almost surely, 290682667 is an apocalyptic number.

90682667 is a deficient number, since it is larger than the sum of its proper divisors (75973).

90682667 is a wasteful number, since it uses less digits than its factorization.

90682667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75972.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 90682667 is about 9522.7447198799. The cubic root of 90682667 is about 449.2706985169.

The spelling of 90682667 in words is "ninety million, six hundred eighty-two thousand, six hundred sixty-seven".

Divisors: 1 1213 74759 90682667