Search a number
-
+
90200802 = 23234713907
BaseRepresentation
bin1010110000001…
…01101011100010
320021201200020110
411120011223202
5141042411202
612541152150
72143460046
oct530055342
9207650213
1090200802
1146a0921a
122625b656
13158c2473
14bda0026
157dbb26c
hex5605ae2

90200802 has 32 divisors (see below), whose sum is σ = 192264192. Its totient is φ = 28145744.

The previous prime is 90200801. The next prime is 90200813. The reversal of 90200802 is 20800209.

It is not an unprimeable number, because it can be changed into a prime (90200801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468 + ... + 13439.

It is an arithmetic number, because the mean of its divisors is an integer number (6008256).

Almost surely, 290200802 is an apocalyptic number.

90200802 is an abundant number, since it is smaller than the sum of its proper divisors (102063390).

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

90200802 is a wasteful number, since it uses less digits than its factorization.

90200802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13982.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 90200802 is about 9497.4102785970. The cubic root of 90200802 is about 448.4735141436.

The spelling of 90200802 in words is "ninety million, two hundred thousand, eight hundred two".

Divisors: 1 2 3 6 23 46 47 69 94 138 141 282 1081 2162 3243 6486 13907 27814 41721 83442 319861 639722 653629 959583 1307258 1919166 1960887 3921774 15033467 30066934 45100401 90200802