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78480411 = 326160137
BaseRepresentation
bin1001010110110…
…00010000011011
312110200012212220
410223120100123
5130042333121
611442035123
71642033602
oct453302033
9173605786
1078480411
1140333549
1222348aa3
131334a819
14a5cca39
156d536c6
hex4ad841b

78480411 has 4 divisors (see below), whose sum is σ = 104640552. Its totient is φ = 52320272.

The previous prime is 78480379. The next prime is 78480473. The reversal of 78480411 is 11408487.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78480411 - 25 = 78480379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78480911) 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, 13080066 + ... + 13080071.

It is an arithmetic number, because the mean of its divisors is an integer number (26160138).

Almost surely, 278480411 is an apocalyptic number.

78480411 is a deficient number, since it is larger than the sum of its proper divisors (26160141).

78480411 is a wasteful number, since it uses less digits than its factorization.

78480411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26160140.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 78480411 is about 8858.9170331367. The cubic root of 78480411 is about 428.1412666560.

Adding to 78480411 its reverse (11408487), we get a palindrome (89888898).

The spelling of 78480411 in words is "seventy-eight million, four hundred eighty thousand, four hundred eleven".

Divisors: 1 3 26160137 78480411