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423131433 = 3731932107
BaseRepresentation
bin11001001110000…
…111100100101001
31002111012022012120
4121032013210221
51331310201213
6105553101453
713325362224
oct3116074451
91074168176
10423131433
111a79349aa
12b9857889
136988013a
14402a65bb
1527232423
hex19387929

423131433 has 8 divisors (see below), whose sum is σ = 571903968. Its totient is φ = 278223264.

The previous prime is 423131417. The next prime is 423131461. The reversal of 423131433 is 334131324.

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

It is not a de Polignac number, because 423131433 - 24 = 423131417 is a prime.

It is a super-3 number, since 3×4231314333 (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (423131473) 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, 965835 + ... + 966272.

It is an arithmetic number, because the mean of its divisors is an integer number (71487996).

Almost surely, 2423131433 is an apocalyptic number.

It is an amenable number.

423131433 is a deficient number, since it is larger than the sum of its proper divisors (148772535).

423131433 is a wasteful number, since it uses less digits than its factorization.

423131433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932183.

The product of its digits is 2592, while the sum is 24.

The square root of 423131433 is about 20570.1587986092. The cubic root of 423131433 is about 750.7438149641.

Adding to 423131433 its reverse (334131324), we get a palindrome (757262757).

The spelling of 423131433 in words is "four hundred twenty-three million, one hundred thirty-one thousand, four hundred thirty-three".

Divisors: 1 3 73 219 1932107 5796321 141043811 423131433