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2123413 = 4745179
BaseRepresentation
bin1000000110011010010101
310222212202221
420012122111
51020422123
6113302341
724022465
oct10063225
93885687
102123413
111220396
128649b1
13594676
143d3ba5
152be25d
hex206695

2123413 has 4 divisors (see below), whose sum is σ = 2168640. Its totient is φ = 2078188.

The previous prime is 2123411. The next prime is 2123423. The reversal of 2123413 is 3143212.

It is a happy number.

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 2123413 - 21 = 2123411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123411) 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, 22543 + ... + 22636.

It is an arithmetic number, because the mean of its divisors is an integer number (542160).

22123413 is an apocalyptic number.

It is an amenable number.

2123413 is a deficient number, since it is larger than the sum of its proper divisors (45227).

2123413 is an equidigital number, since it uses as much as digits as its factorization.

2123413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45226.

The product of its digits is 144, while the sum is 16.

The square root of 2123413 is about 1457.1935355333. The cubic root of 2123413 is about 128.5320666691.

Adding to 2123413 its reverse (3143212), we get a palindrome (5266625).

The spelling of 2123413 in words is "two million, one hundred twenty-three thousand, four hundred thirteen".

Divisors: 1 47 45179 2123413