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890480 = 24511131
BaseRepresentation
bin11011001011001110000
31200020111202
43121121300
5211443410
631030332
710366103
oct3313160
91606452
10890480
11559038
1236b3a8
13252416
1419273a
15128ca5
hexd9670

890480 has 20 divisors (see below), whose sum is σ = 2070552. Its totient is φ = 356160.

The previous prime is 890467. The next prime is 890501. The reversal of 890480 is 84098.

890480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

890480 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5486 + ... + 5645.

2890480 is an apocalyptic number.

890480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

890480 is an abundant number, since it is smaller than the sum of its proper divisors (1180072).

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

890480 is a wasteful number, since it uses less digits than its factorization.

890480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11144 (or 11138 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 890480 is about 943.6524784051. The cubic root of 890480 is about 96.2073066403.

The spelling of 890480 in words is "eight hundred ninety thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 11131 22262 44524 55655 89048 111310 178096 222620 445240 890480