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7916001 = 32638667
BaseRepresentation
bin11110001100100111100001
3112220011201020
4132030213201
54011303001
6441400053
7124166502
oct36144741
915804636
107916001
114517455
122799029
131842132
1410a0ba9
15a65736
hex78c9e1

7916001 has 4 divisors (see below), whose sum is σ = 10554672. Its totient is φ = 5277332.

The previous prime is 7915987. The next prime is 7916011. The reversal of 7916001 is 1006197.

7916001 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7916001 - 25 = 7915969 is a prime.

7916001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7916011) 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, 1319331 + ... + 1319336.

It is an arithmetic number, because the mean of its divisors is an integer number (2638668).

Almost surely, 27916001 is an apocalyptic number.

It is an amenable number.

7916001 is a deficient number, since it is larger than the sum of its proper divisors (2638671).

7916001 is a wasteful number, since it uses less digits than its factorization.

7916001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638670.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 7916001 is about 2813.5388747981. The cubic root of 7916001 is about 199.2975439997.

The spelling of 7916001 in words is "seven million, nine hundred sixteen thousand, one".

Divisors: 1 3 2638667 7916001