Search a number
-
+
890570540 = 22544528527
BaseRepresentation
bin110101000101010…
…000011100101100
32022001202200010002
4311011100130230
53310441224130
6224212003432
731032503366
oct6505203454
92261680102
10890570540
11417781912
1220a300578
13112674722
14863c3d36
15532b7b45
hex3515072c

890570540 has 12 divisors (see below), whose sum is σ = 1870198176. Its totient is φ = 356228208.

The previous prime is 890570539. The next prime is 890570561. The reversal of 890570540 is 45075098.

It is a junction number, because it is equal to n+sod(n) for n = 890570494 and 890570503.

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 3 ways as a sum of consecutive naturals, for example, 22264244 + ... + 22264283.

It is an arithmetic number, because the mean of its divisors is an integer number (155849848).

Almost surely, 2890570540 is an apocalyptic number.

It is an amenable number.

890570540 is an abundant number, since it is smaller than the sum of its proper divisors (979627636).

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

890570540 is a wasteful number, since it uses less digits than its factorization.

890570540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44528536 (or 44528534 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 890570540 is about 29842.4285204807. The cubic root of 890570540 is about 962.1056717180.

The spelling of 890570540 in words is "eight hundred ninety million, five hundred seventy thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 44528527 89057054 178114108 222642635 445285270 890570540