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202404230231 = 7267710801229
BaseRepresentation
bin1011110010000000111…
…0110111010001010111
3201100102220021020100112
42330200032313101113
511304010440331411
6232552213033235
720423523366410
oct2744016672127
9640386236315
10202404230231
1178925a02a35
123328892581b
1316118459408
149b21522807
1553e9583b8b
hex2f203b7457

202404230231 has 8 divisors (see below), whose sum is σ = 231405551520. Its totient is φ = 173424516768.

The previous prime is 202404230219. The next prime is 202404230261. The reversal of 202404230231 is 132032404202.

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 202404230231 - 230 = 201330488407 is a prime.

It is a super-2 number, since 2×2024042302312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202404230197 and 202404230206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202404230261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5381876 + ... + 5419353.

It is an arithmetic number, because the mean of its divisors is an integer number (28925693940).

Almost surely, 2202404230231 is an apocalyptic number.

202404230231 is a deficient number, since it is larger than the sum of its proper divisors (29001321289).

202404230231 is a wasteful number, since it uses less digits than its factorization.

202404230231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10803913.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 202404230231 its reverse (132032404202), we get a palindrome (334436634433).

The spelling of 202404230231 in words is "two hundred two billion, four hundred four million, two hundred thirty thousand, two hundred thirty-one".

Divisors: 1 7 2677 18739 10801229 75608603 28914890033 202404230231