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20230801 = 19256041
BaseRepresentation
bin100110100101…
…1001010010001
31102001211102221
41031023022101
520134341201
62001341041
7333646633
oct115131221
942054387
1020230801
1110468778
126937781
1342644b6
142988a53
151b994a1
hex134b291

20230801 has 6 divisors (see below), whose sum is σ = 21352002. Its totient is φ = 19165680.

The previous prime is 20230787. The next prime is 20230831. The reversal of 20230801 is 10803202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18931201 + 1299600 = 4351^2 + 1140^2 .

It is not a de Polignac number, because 20230801 - 215 = 20198033 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 (20230831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27660 + ... + 28381.

It is an arithmetic number, because the mean of its divisors is an integer number (3558667).

Almost surely, 220230801 is an apocalyptic number.

It is an amenable number.

20230801 is a deficient number, since it is larger than the sum of its proper divisors (1121201).

20230801 is an equidigital number, since it uses as much as digits as its factorization.

20230801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56079 (or 56060 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 20230801 is about 4497.8662719116. The cubic root of 20230801 is about 272.4819211977.

The spelling of 20230801 in words is "twenty million, two hundred thirty thousand, eight hundred one".

Divisors: 1 19 361 56041 1064779 20230801