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6982480 = 24587281
BaseRepresentation
bin11010101000101101010000
3111010202011101
4122220231100
53241414410
6405354144
7113231041
oct32505520
914122141
106982480
113a3a04a
122408954
1315a625b
14cda8c8
1592dd3a
hex6a8b50

6982480 has 20 divisors (see below), whose sum is σ = 16234452. Its totient is φ = 2792960.

The previous prime is 6982463. The next prime is 6982489. The reversal of 6982480 is 842896.

6982480 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 2 ways, for example, as 5271616 + 1710864 = 2296^2 + 1308^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6982489) 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, 43561 + ... + 43720.

Almost surely, 26982480 is an apocalyptic number.

It is an amenable number.

6982480 is an abundant number, since it is smaller than the sum of its proper divisors (9251972).

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

6982480 is a wasteful number, since it uses less digits than its factorization.

6982480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87294 (or 87288 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 6982480 is about 2642.4382679639. The cubic root of 6982480 is about 191.1333918297.

The spelling of 6982480 in words is "six million, nine hundred eighty-two thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 87281 174562 349124 436405 698248 872810 1396496 1745620 3491240 6982480