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2103069 = 3701023
BaseRepresentation
bin1000000001011100011101
310221211212110
420001130131
51014244234
6113024233
723606253
oct10013435
93854773
102103069
111207081
12855079
13588327
143ca5d3
152b81e9
hex20171d

2103069 has 4 divisors (see below), whose sum is σ = 2804096. Its totient is φ = 1402044.

The previous prime is 2103067. The next prime is 2103083. The reversal of 2103069 is 9603012.

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 not a de Polignac number, because 2103069 - 21 = 2103067 is a prime.

It is a super-2 number, since 2×21030692 = 8845798437522, which contains 22 as substring.

It is a D-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 (2103067) 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, 350509 + ... + 350514.

It is an arithmetic number, because the mean of its divisors is an integer number (701024).

22103069 is an apocalyptic number.

It is an amenable number.

2103069 is a deficient number, since it is larger than the sum of its proper divisors (701027).

2103069 is an equidigital number, since it uses as much as digits as its factorization.

2103069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701026.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 2103069 is about 1450.1961936235. The cubic root of 2103069 is about 128.1202686335.

The spelling of 2103069 in words is "two million, one hundred three thousand, sixty-nine".

Divisors: 1 3 701023 2103069