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2023405541 = 4889413869
BaseRepresentation
bin111100010011010…
…1011011111100101
312020000101122120222
41320212223133211
513120442434131
6532440334125
7101066443343
oct17046533745
95200348528
102023405541
11949183593
12485774345
132632808b1
14152a2c993
15bc98787b
hex789ab7e5

2023405541 has 4 divisors (see below), whose sum is σ = 2023824300. Its totient is φ = 2022986784.

The previous prime is 2023405523. The next prime is 2023405577. The reversal of 2023405541 is 1455043202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1671092641 + 352312900 = 40879^2 + 18770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2023405541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2023405541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023405141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202046 + ... + 211823.

It is an arithmetic number, because the mean of its divisors is an integer number (505956075).

Almost surely, 22023405541 is an apocalyptic number.

It is an amenable number.

2023405541 is a deficient number, since it is larger than the sum of its proper divisors (418759).

2023405541 is an equidigital number, since it uses as much as digits as its factorization.

2023405541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418758.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2023405541 is about 44982.2803001360. The cubic root of 2023405541 is about 1264.8168567371.

Adding to 2023405541 its reverse (1455043202), we get a palindrome (3478448743).

The spelling of 2023405541 in words is "two billion, twenty-three million, four hundred five thousand, five hundred forty-one".

Divisors: 1 4889 413869 2023405541