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20231341 = 133742061
BaseRepresentation
bin100110100101…
…1010010101101
31102001212011221
41031023102231
520134400331
62001343341
7333651334
oct115132255
942055157
1020231341
1110469119
126937b51
134264810
142988d1b
151b99711

20231341 has 8 divisors (see below), whose sum is σ = 22376984. Its totient is φ = 18169920.

The previous prime is 20231339. The next prime is 20231359. The reversal of 20231341 is 14313202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10176100 + 10055241 = 3190^2 + 3171^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20231341 - 21 = 20231339 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 (20231641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20550 + ... + 21511.

It is an arithmetic number, because the mean of its divisors is an integer number (2797123).

Almost surely, 220231341 is an apocalyptic number.

It is an amenable number.

20231341 is a deficient number, since it is larger than the sum of its proper divisors (2145643).

20231341 is a wasteful number, since it uses less digits than its factorization.

20231341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42111.

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

The square root of 20231341 is about 4497.9262999742. The cubic root of 20231341 is about 272.4843455362.

Adding to 20231341 its reverse (14313202), we get a palindrome (34544543).

It can be divided in two parts, 2023 and 1341, that added together give a square (3364 = 582).

The spelling of 20231341 in words is "twenty million, two hundred thirty-one thousand, three hundred forty-one".

Divisors: 1 13 37 481 42061 546793 1556257 20231341