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4006894007 = 61731137963
BaseRepresentation
bin1110111011010100…
…0101100110110111
3101100020200022020202
43232311011212313
531201231102012
61501333351115
7201203015504
oct35665054667
911306608222
104006894007
111776872856
12939a9849b
134bb1965cc
142a022a4ab
15186b87cc2
hexeed459b7

4006894007 has 16 divisors (see below), whose sum is σ = 4165426848. Its totient is φ = 3852334080.

The previous prime is 4006893901. The next prime is 4006894013. The reversal of 4006894007 is 7004986004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4006894007 - 212 = 4006889911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006894027) 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, 499208 + ... + 507170.

It is an arithmetic number, because the mean of its divisors is an integer number (260339178).

Almost surely, 24006894007 is an apocalyptic number.

4006894007 is a deficient number, since it is larger than the sum of its proper divisors (158532841).

4006894007 is a wasteful number, since it uses less digits than its factorization.

4006894007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8210.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 4006894007 is about 63300.0316508610. The cubic root of 4006894007 is about 1588.3124913764.

The spelling of 4006894007 in words is "four billion, six million, eight hundred ninety-four thousand, seven".

Divisors: 1 61 73 113 4453 6893 7963 8249 485743 503189 581299 899819 35459239 54888959 65686787 4006894007