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90552679 = 723562439
BaseRepresentation
bin1010110010110…
…11100101100111
320022101112220221
411121123211213
5141140141204
612552505211
72146453660
oct531334547
9208345827
1090552679
1147129628
12263ab207
13159b6689
14c052367
157e3a654
hex565b967

90552679 has 8 divisors (see below), whose sum is σ = 107988480. Its totient is φ = 74241816.

The previous prime is 90552647. The next prime is 90552769. The reversal of 90552679 is 97625509.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 90552679 - 25 = 90552647 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 (90552629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281059 + ... + 281380.

It is an arithmetic number, because the mean of its divisors is an integer number (13498560).

Almost surely, 290552679 is an apocalyptic number.

90552679 is a deficient number, since it is larger than the sum of its proper divisors (17435801).

90552679 is a wasteful number, since it uses less digits than its factorization.

90552679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562469.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 90552679 is about 9515.9171391937. The cubic root of 90552679 is about 449.0559286022.

The spelling of 90552679 in words is "ninety million, five hundred fifty-two thousand, six hundred seventy-nine".

Divisors: 1 7 23 161 562439 3937073 12936097 90552679