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5678890 = 257312617
BaseRepresentation
bin10101101010011100101010
3101200111222021
4111222130222
52423211030
6321415054
766161350
oct25523452
911614867
105678890
1132296a8
121a9a48a
13123aab9
14a7b7d0
1577297a
hex56a72a

5678890 has 32 divisors (see below), whose sum is σ = 12063744. Its totient is φ = 1883520.

The previous prime is 5678873. The next prime is 5678899. The reversal of 5678890 is 988765.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5678899) 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, 862 + ... + 3478.

It is an arithmetic number, because the mean of its divisors is an integer number (376992).

Almost surely, 25678890 is an apocalyptic number.

5678890 is an abundant number, since it is smaller than the sum of its proper divisors (6384854).

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

5678890 is a wasteful number, since it uses less digits than its factorization.

5678890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 5678890 is about 2383.0421733574. The cubic root of 5678890 is about 178.4108047442.

The spelling of 5678890 in words is "five million, six hundred seventy-eight thousand, eight hundred ninety".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 310 434 1085 2170 2617 5234 13085 18319 26170 36638 81127 91595 162254 183190 405635 567889 811270 1135778 2839445 5678890