Search a number
-
+
90446474 = 271636947
BaseRepresentation
bin1010110010000…
…01101010001010
320022012011020102
411121001222022
5141123241344
612550325402
72145532226
oct531015212
9208164212
1090446474
1147066858
1226359862
131597a231
14c025786
157e18e4e
hex5641a8a

90446474 has 8 divisors (see below), whose sum is σ = 137580768. Its totient is φ = 44586220.

The previous prime is 90446467. The next prime is 90446483. The reversal of 90446474 is 47464409.

It is a happy number.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318332 + ... + 318615.

It is an arithmetic number, because the mean of its divisors is an integer number (17197596).

Almost surely, 290446474 is an apocalyptic number.

90446474 is a deficient number, since it is larger than the sum of its proper divisors (47134294).

90446474 is a wasteful number, since it uses less digits than its factorization.

90446474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637020.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 90446474 is about 9510.3351150209. The cubic root of 90446474 is about 448.8803010271.

The spelling of 90446474 in words is "ninety million, four hundred forty-six thousand, four hundred seventy-four".

Divisors: 1 2 71 142 636947 1273894 45223237 90446474