Search a number
-
+
90575286 = 231743107193
BaseRepresentation
bin1010110011000…
…01000110110110
320022102200221020
411121201012312
5141141402121
612553202010
72146606614
oct531410666
9208380836
1090575286
114714460a
1226400306
13159c3a59
14c05a6b4
157e421c6
hex56611b6

90575286 has 64 divisors (see below), whose sum is σ = 199127808. Its totient is φ = 27353088.

The previous prime is 90575279. The next prime is 90575293. The reversal of 90575286 is 68257509.

It is an interprime number because it is at equal distance from previous prime (90575279) and next prime (90575293).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 469206 + ... + 469398.

It is an arithmetic number, because the mean of its divisors is an integer number (3111372).

Almost surely, 290575286 is an apocalyptic number.

90575286 is an abundant number, since it is smaller than the sum of its proper divisors (108552522).

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

90575286 is a wasteful number, since it uses less digits than its factorization.

90575286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 90575286 is about 9517.1049169377. The cubic root of 90575286 is about 449.0932952960.

The spelling of 90575286 in words is "ninety million, five hundred seventy-five thousand, two hundred eighty-six".

Divisors: 1 2 3 6 17 34 43 51 86 102 107 129 193 214 258 321 386 579 642 731 1158 1462 1819 2193 3281 3638 4386 4601 5457 6562 8299 9202 9843 10914 13803 16598 19686 20651 24897 27606 41302 49794 61953 78217 123906 141083 156434 234651 282166 351067 423249 469302 702134 846498 887993 1053201 1775986 2106402 2663979 5327958 15095881 30191762 45287643 90575286