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431020412 = 22252142743
BaseRepresentation
bin11001101100001…
…101100101111100
31010001001002211222
4121230031211330
51340320123122
6110434132512
713452420164
oct3154154574
91101032758
10431020412
11201333019
12100421138
136b3b2b84
144135b5a4
1527c8eb42
hex19b0d97c

431020412 has 12 divisors (see below), whose sum is σ = 754602576. Its totient is φ = 215419680.

The previous prime is 431020367. The next prime is 431020423. The reversal of 431020412 is 214020134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11288 + ... + 31455.

It is an arithmetic number, because the mean of its divisors is an integer number (62883548).

Almost surely, 2431020412 is an apocalyptic number.

It is an amenable number.

431020412 is a deficient number, since it is larger than the sum of its proper divisors (323582164).

431020412 is a wasteful number, since it uses less digits than its factorization.

431020412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45268 (or 45266 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 431020412 is about 20761.0310919280. The cubic root of 431020412 is about 755.3808069752.

Adding to 431020412 its reverse (214020134), we get a palindrome (645040546).

The spelling of 431020412 in words is "four hundred thirty-one million, twenty thousand, four hundred twelve".

Divisors: 1 2 4 2521 5042 10084 42743 85486 170972 107755103 215510206 431020412