Search a number
-
+
90515248 = 2445712379
BaseRepresentation
bin1010110010100…
…10011100110000
320022022122120121
411121102130300
5141132441443
612552020024
72146236565
oct531223460
9208278517
1090515248
114710349a
1226391614
13159a2625
14c04286c
157e2e4ed
hex5652730

90515248 has 20 divisors (see below), whose sum is σ = 175771240. Its totient is φ = 45154944.

The previous prime is 90515239. The next prime is 90515309. The reversal of 90515248 is 84251509.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123 + ... + 13501.

It is an arithmetic number, because the mean of its divisors is an integer number (8788562).

Almost surely, 290515248 is an apocalyptic number.

It is an amenable number.

90515248 is a deficient number, since it is larger than the sum of its proper divisors (85255992).

90515248 is a wasteful number, since it uses less digits than its factorization.

90515248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12844 (or 12838 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 90515248 is about 9513.9501785536. The cubic root of 90515248 is about 448.9940459162.

The spelling of 90515248 in words is "ninety million, five hundred fifteen thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 457 914 1828 3656 7312 12379 24758 49516 99032 198064 5657203 11314406 22628812 45257624 90515248