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2023442 = 21759513
BaseRepresentation
bin111101110000000010010
310210210122022
413232000102
51004222232
6111211442
723125151
oct7560022
93723568
102023442
111162273
12816b82
1355b005
143a9598
1529e812
hex1ee012

2023442 has 8 divisors (see below), whose sum is σ = 3213756. Its totient is φ = 952192.

The previous prime is 2023433. The next prime is 2023447. The reversal of 2023442 is 2443202.

It can be written as a sum of positive squares in 2 ways, for example, as 1907161 + 116281 = 1381^2 + 341^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 2023442.

It is not an unprimeable number, because it can be changed into a prime (2023447) 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, 29723 + ... + 29790.

22023442 is an apocalyptic number.

2023442 is a deficient number, since it is larger than the sum of its proper divisors (1190314).

2023442 is a wasteful number, since it uses less digits than its factorization.

2023442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59532.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2023442 is about 1422.4774163409. The cubic root of 2023442 is about 126.4824453448.

Adding to 2023442 its reverse (2443202), we get a palindrome (4466644).

The spelling of 2023442 in words is "two million, twenty-three thousand, four hundred forty-two".

Divisors: 1 2 17 34 59513 119026 1011721 2023442