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90616716 = 22322517131
BaseRepresentation
bin1010110011010…
…11001110001100
320022111210202200
411121223032030
5141144213331
612554121500
72150141451
oct531531614
9208453680
1090616716
1147172753
1226420290
1315a09878
14c06b828
157e4e5e6
hex566b38c

90616716 has 18 divisors (see below), whose sum is σ = 229059012. Its totient is φ = 30205560.

The previous prime is 90616699. The next prime is 90616717. The reversal of 90616716 is 61761609.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-4 number, since 4×906167164 (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2517131 = 90616716 / (9 + 0 + 6 + 1 + 6 + 7 + 1 + 6).

It is not an unprimeable number, because it can be changed into a prime (90616717) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1258530 + ... + 1258601.

Almost surely, 290616716 is an apocalyptic number.

It is an amenable number.

90616716 is an abundant number, since it is smaller than the sum of its proper divisors (138442296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90616716 is a wasteful number, since it uses less digits than its factorization.

90616716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517141 (or 2517136 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 90616716 is about 9519.2812753905. The cubic root of 90616716 is about 449.1617580445.

The spelling of 90616716 in words is "ninety million, six hundred sixteen thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 2517131 5034262 7551393 10068524 15102786 22654179 30205572 45308358 90616716