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8078413 = 76118919
BaseRepresentation
bin11110110100010001001101
3120012102111111
4132310101031
54032002123
6445052021
7125444140
oct36642115
916172444
108078413
114618482
122857011
13189b035
141104057
15a9890d
hex7b444d

8078413 has 8 divisors (see below), whose sum is σ = 9384320. Its totient is φ = 6810480.

The previous prime is 8078387. The next prime is 8078429. The reversal of 8078413 is 3148708.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8078413 - 213 = 8070221 is a prime.

It is a Duffinian number.

8078413 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8078113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9033 + ... + 9886.

It is an arithmetic number, because the mean of its divisors is an integer number (1173040).

Almost surely, 28078413 is an apocalyptic number.

It is an amenable number.

8078413 is a deficient number, since it is larger than the sum of its proper divisors (1305907).

8078413 is a wasteful number, since it uses less digits than its factorization.

8078413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18987.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 8078413 is about 2842.2549146760. The cubic root of 8078413 is about 200.6513182866.

The spelling of 8078413 in words is "eight million, seventy-eight thousand, four hundred thirteen".

Divisors: 1 7 61 427 18919 132433 1154059 8078413