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994541 = 9710253
BaseRepresentation
bin11110010110011101101
31212112020212
43302303231
5223311131
633152205
711311352
oct3626355
91775225
10994541
1161a239
123bb665
1328a8b2
141bc629
15149a2b
hexf2ced

994541 has 4 divisors (see below), whose sum is σ = 1004892. Its totient is φ = 984192.

The previous prime is 994501. The next prime is 994549. The reversal of 994541 is 145499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 145499 = 831753.

It can be written as a sum of positive squares in 2 ways, for example, as 265225 + 729316 = 515^2 + 854^2 .

It is a cyclic number.

It is not a de Polignac number, because 994541 - 214 = 978157 is a prime.

It is a super-2 number, since 2×9945412 = 1978223601362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 994498 and 994507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994549) 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 3 ways as a sum of consecutive naturals, for example, 5030 + ... + 5223.

It is an arithmetic number, because the mean of its divisors is an integer number (251223).

2994541 is an apocalyptic number.

It is an amenable number.

994541 is a deficient number, since it is larger than the sum of its proper divisors (10351).

994541 is a wasteful number, since it uses less digits than its factorization.

994541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10350.

The product of its digits is 6480, while the sum is 32.

The square root of 994541 is about 997.2667647124. The cubic root of 994541 is about 99.8177012068.

The spelling of 994541 in words is "nine hundred ninety-four thousand, five hundred forty-one".

Divisors: 1 97 10253 994541