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90350441 = 193468137
BaseRepresentation
bin1010110001010…
…10001101101001
320022000021111122
411120222031221
5141112203231
612544305025
72144652236
oct530521551
9208007448
1090350441
1147000695
1226312175
13159455cc
14bddc78d
157dea77b
hex562a369

90350441 has 4 divisors (see below), whose sum is σ = 90818772. Its totient is φ = 89882112.

The previous prime is 90350423. The next prime is 90350443. The reversal of 90350441 is 14405309.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43824400 + 46526041 = 6620^2 + 6821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-90350441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90350441.

It is not an unprimeable number, because it can be changed into a prime (90350443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233876 + ... + 234261.

It is an arithmetic number, because the mean of its divisors is an integer number (22704693).

Almost surely, 290350441 is an apocalyptic number.

It is an amenable number.

90350441 is a deficient number, since it is larger than the sum of its proper divisors (468331).

90350441 is a wasteful number, since it uses less digits than its factorization.

90350441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468330.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 90350441 is about 9505.2848984131. The cubic root of 90350441 is about 448.7213761379.

The spelling of 90350441 in words is "ninety million, three hundred fifty thousand, four hundred forty-one".

Divisors: 1 193 468137 90350441