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423788541 = 31189313461
BaseRepresentation
bin11001010000100…
…111111111111101
31002112102200120220
4121100213333331
51331442213131
6110015131553
713334100051
oct3120477775
91075380526
10423788541
111a8243670
12b9b13bb9
1369a50267
14403d7c61
1527311e96
hex19427ffd

423788541 has 32 divisors (see below), whose sum is σ = 626693760. Its totient is φ = 252595200.

The previous prime is 423788503. The next prime is 423788543. The reversal of 423788541 is 145887324.

It is not a de Polignac number, because 423788541 - 225 = 390234109 is a prime.

It is a super-3 number, since 3×4237885413 (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423788493 and 423788502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423788543) 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 31 ways as a sum of consecutive naturals, for example, 919051 + ... + 919511.

It is an arithmetic number, because the mean of its divisors is an integer number (19584180).

Almost surely, 2423788541 is an apocalyptic number.

It is an amenable number.

423788541 is a deficient number, since it is larger than the sum of its proper divisors (202905219).

423788541 is a wasteful number, since it uses less digits than its factorization.

423788541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877.

The product of its digits is 215040, while the sum is 42.

The square root of 423788541 is about 20586.1249631882. The cubic root of 423788541 is about 751.1322400720.

The spelling of 423788541 in words is "four hundred twenty-three million, seven hundred eighty-eight thousand, five hundred forty-one".

Divisors: 1 3 11 33 89 267 313 461 939 979 1383 2937 3443 5071 10329 15213 27857 41029 83571 123087 144293 306427 432879 451319 919281 1353957 1587223 4761669 12842077 38526231 141262847 423788541