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7994101 = 41919079
BaseRepresentation
bin11110011111101011110101
3120001010211211
4132133223311
54021302401
6443201421
7124643263
oct36375365
916033754
107994101
1145700a5
122816271
13186b84b
1410c1433
15a7d951
hex79faf5

7994101 has 4 divisors (see below), whose sum is σ = 8013600. Its totient is φ = 7974604.

The previous prime is 7994093. The next prime is 7994113. The reversal of 7994101 is 1014997.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1014997 = 4572221.

It is a cyclic number.

It is not a de Polignac number, because 7994101 - 23 = 7994093 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7994171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9121 + ... + 9958.

It is an arithmetic number, because the mean of its divisors is an integer number (2003400).

Almost surely, 27994101 is an apocalyptic number.

It is an amenable number.

7994101 is a deficient number, since it is larger than the sum of its proper divisors (19499).

7994101 is a wasteful number, since it uses less digits than its factorization.

7994101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19498.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 7994101 is about 2827.3841267150. The cubic root of 7994101 is about 199.9508295790.

It can be divided in two parts, 799 and 4101, that added together give a square (4900 = 702).

The spelling of 7994101 in words is "seven million, nine hundred ninety-four thousand, one hundred one".

Divisors: 1 419 19079 7994101