Search a number
-
+
90304485 = 356020299
BaseRepresentation
bin1010110000111…
…10111111100101
320021220221110120
411120132333211
5141104220420
612543312153
72144401245
oct530367745
9207827416
1090304485
1146a7a107
12262ab659
131592a70b
14bdc9b25
157ddbd40
hex561efe5

90304485 has 8 divisors (see below), whose sum is σ = 144487200. Its totient is φ = 48162384.

The previous prime is 90304483. The next prime is 90304499. The reversal of 90304485 is 58440309.

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

It is not a de Polignac number, because 90304485 - 21 = 90304483 is a prime.

It is a super-2 number, since 2×903044852 = 16309800022230450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90304481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3010135 + ... + 3010164.

It is an arithmetic number, because the mean of its divisors is an integer number (18060900).

Almost surely, 290304485 is an apocalyptic number.

It is an amenable number.

90304485 is a deficient number, since it is larger than the sum of its proper divisors (54182715).

90304485 is a wasteful number, since it uses less digits than its factorization.

90304485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6020307.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 90304485 is about 9502.8671989037. The cubic root of 90304485 is about 448.6452837705.

The spelling of 90304485 in words is "ninety million, three hundred four thousand, four hundred eighty-five".

Divisors: 1 3 5 15 6020299 18060897 30101495 90304485