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90262 = 245131
BaseRepresentation
bin10110000010010110
311120211001
4112002112
510342022
61533514
7524104
oct260226
9146731
1090262
11618a7
124429a
1332113
1424c74
151bb27
hex16096

90262 has 4 divisors (see below), whose sum is σ = 135396. Its totient is φ = 45130.

The previous prime is 90247. The next prime is 90263. The reversal of 90262 is 26209.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90263) by changing a digit.

90262 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22564 + ... + 22567.

It is an arithmetic number, because the mean of its divisors is an integer number (33849).

290262 is an apocalyptic number.

90262 is a deficient number, since it is larger than the sum of its proper divisors (45134).

90262 is a wasteful number, since it uses less digits than its factorization.

90262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45133.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 90262 is about 300.4363493321. The cubic root of 90262 is about 44.8574915598.

The spelling of 90262 in words is "ninety thousand, two hundred sixty-two".

Divisors: 1 2 45131 90262