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890934740 = 22544546737
BaseRepresentation
bin110101000110101…
…001010111010100
32022002110011200222
4311012221113110
53311034402430
6224223453512
731035551243
oct6506512724
92262404628
10890934740
11417a00503
1220a457298
13112771427
148647a95a
155333a9e5
hex351a95d4

890934740 has 12 divisors (see below), whose sum is σ = 1870962996. Its totient is φ = 356373888.

The previous prime is 890934727. The next prime is 890934743. The reversal of 890934740 is 47439098.

890934740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 261727684 + 629207056 = 16178^2 + 25084^2 .

It is a junction number, because it is equal to n+sod(n) for n = 890934691 and 890934700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890934743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22273349 + ... + 22273388.

It is an arithmetic number, because the mean of its divisors is an integer number (155913583).

Almost surely, 2890934740 is an apocalyptic number.

It is an amenable number.

890934740 is an abundant number, since it is smaller than the sum of its proper divisors (980028256).

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

890934740 is a wasteful number, since it uses less digits than its factorization.

890934740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44546746 (or 44546744 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 890934740 is about 29848.5299470510. The cubic root of 890934740 is about 962.2368053061.

The spelling of 890934740 in words is "eight hundred ninety million, nine hundred thirty-four thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 44546737 89093474 178186948 222733685 445467370 890934740