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8081007 = 311713449
BaseRepresentation
bin11110110100111001101111
3120012120001120
4132310321233
54032043012
6445112023
7125454534
oct36647157
916176046
108081007
11461a420
122858613
13189c27c
141104d8b
15a9958c
hex7b4e6f

8081007 has 16 divisors (see below), whose sum is σ = 11923200. Its totient is φ = 4827200.

The previous prime is 8080999. The next prime is 8081009. The reversal of 8081007 is 7001808.

It is a cyclic number.

It is not a de Polignac number, because 8081007 - 23 = 8080999 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8081009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619 + ... + 4067.

It is an arithmetic number, because the mean of its divisors is an integer number (745200).

Almost surely, 28081007 is an apocalyptic number.

8081007 is a deficient number, since it is larger than the sum of its proper divisors (3842193).

8081007 is a wasteful number, since it uses less digits than its factorization.

8081007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 8081007 is about 2842.7112058737. The cubic root of 8081007 is about 200.6727925465.

The spelling of 8081007 in words is "eight million, eighty-one thousand, seven".

Divisors: 1 3 11 33 71 213 781 2343 3449 10347 37939 113817 244879 734637 2693669 8081007