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1408076 = 221720707
BaseRepresentation
bin101010111110001001100
32122112111222
411113301030
5330024301
650102512
714653115
oct5276114
92575458
101408076
118819aa
1257aa38
133a3ba7
1428920c
151cc31b
hex157c4c

1408076 has 12 divisors (see below), whose sum is σ = 2609208. Its totient is φ = 662592.

The previous prime is 1408067. The next prime is 1408079. The reversal of 1408076 is 6708041.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1408079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10286 + ... + 10421.

It is an arithmetic number, because the mean of its divisors is an integer number (217434).

21408076 is an apocalyptic number.

It is an amenable number.

1408076 is a deficient number, since it is larger than the sum of its proper divisors (1201132).

1408076 is a wasteful number, since it uses less digits than its factorization.

1408076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20728 (or 20726 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1408076 is about 1186.6237819966. The cubic root of 1408076 is about 112.0835898091.

The spelling of 1408076 in words is "one million, four hundred eight thousand, seventy-six".

Divisors: 1 2 4 17 34 68 20707 41414 82828 352019 704038 1408076