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7716001 = 291092441
BaseRepresentation
bin11101011011110010100001
3112112000100211
4131123302201
53433403001
6433214121
7122404426
oct35336241
915460324
107716001
1143a0167
122701341
1317a20a7
14104bd4d
15a26351
hex75bca1

7716001 has 8 divisors (see below), whose sum is σ = 8058600. Its totient is φ = 7378560.

The previous prime is 7715999. The next prime is 7716019. The reversal of 7716001 is 1006177.

It can be written as a sum of positive squares in 4 ways, for example, as 555025 + 7160976 = 745^2 + 2676^2 .

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 7716001 - 21 = 7715999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7716701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1941 + ... + 4381.

It is an arithmetic number, because the mean of its divisors is an integer number (1007325).

Almost surely, 27716001 is an apocalyptic number.

It is an amenable number.

7716001 is a deficient number, since it is larger than the sum of its proper divisors (342599).

7716001 is a wasteful number, since it uses less digits than its factorization.

7716001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 7716001 is about 2777.7690688752. The cubic root of 7716001 is about 197.6047705607.

The spelling of 7716001 in words is "seven million, seven hundred sixteen thousand, one".

Divisors: 1 29 109 2441 3161 70789 266069 7716001