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3000053 = 7428579
BaseRepresentation
bin1011011100011011110101
312122102022002
423130123311
51232000203
6144145045
734333340
oct13343365
95572262
103000053
111769a91
121008185
138106a4
14581457
153e3d88
hex2dc6f5

3000053 has 4 divisors (see below), whose sum is σ = 3428640. Its totient is φ = 2571468.

The previous prime is 3000047. The next prime is 3000061. The reversal of 3000053 is 3500003.

Adding to 3000053 its reverse (3500003), we get a palindrome (6500056).

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: 3500003 = 13269231.

It is a cyclic number.

It is not a de Polignac number, because 3000053 - 216 = 2934517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2999998 and 3000043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3000073) 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, 214283 + ... + 214296.

It is an arithmetic number, because the mean of its divisors is an integer number (857160).

Almost surely, 23000053 is an apocalyptic number.

It is an amenable number.

3000053 is a deficient number, since it is larger than the sum of its proper divisors (428587).

3000053 is an equidigital number, since it uses as much as digits as its factorization.

3000053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428586.

The product of its (nonzero) digits is 45, while the sum is 11.

The square root of 3000053 is about 1732.0661072834. The cubic root of 3000053 is about 144.2258063505.

The spelling of 3000053 in words is "three million, fifty-three", and thus it is an aban number and an uban number.

Divisors: 1 7 428579 3000053