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90676578 = 2315112763
BaseRepresentation
bin1010110011110…
…01110101100010
320022121211212210
411121321311202
5141203122303
612555302550
72150511126
oct531716542
9208554783
1090676578
1147203723
122644aa56
1315a2aba5
14c085586
157e62203
hex5679d62

90676578 has 8 divisors (see below), whose sum is σ = 181353168. Its totient is φ = 30225524.

The previous prime is 90676577. The next prime is 90676631. The reversal of 90676578 is 87567609.

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

90676578 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (90676571) 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, 7556376 + ... + 7556387.

It is an arithmetic number, because the mean of its divisors is an integer number (22669146).

Almost surely, 290676578 is an apocalyptic number.

90676578 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

90676578 is a wasteful number, since it uses less digits than its factorization.

90676578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15112768.

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 90676578 is about 9522.4250062681. The cubic root of 90676578 is about 449.2606426793.

The spelling of 90676578 in words is "ninety million, six hundred seventy-six thousand, five hundred seventy-eight".

Divisors: 1 2 3 6 15112763 30225526 45338289 90676578