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2107493 = 7129683
BaseRepresentation
bin1000000010100001100101
310222001221022
420002201211
51014414433
6113100525
723625203
oct10024145
93861838
102107493
11120a433
12857745
1358a34b
143cc073
152b9698
hex202865

2107493 has 4 divisors (see below), whose sum is σ = 2137248. Its totient is φ = 2077740.

The previous prime is 2107451. The next prime is 2107529. The reversal of 2107493 is 3947012.

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 2107493 - 216 = 2041957 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 (2107403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14771 + ... + 14912.

It is an arithmetic number, because the mean of its divisors is an integer number (534312).

22107493 is an apocalyptic number.

It is an amenable number.

2107493 is a deficient number, since it is larger than the sum of its proper divisors (29755).

2107493 is an equidigital number, since it uses as much as digits as its factorization.

2107493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29754.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2107493 is about 1451.7207031657. The cubic root of 2107493 is about 128.2100433216.

The spelling of 2107493 in words is "two million, one hundred seven thousand, four hundred ninety-three".

Divisors: 1 71 29683 2107493