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431000132 = 22251429283
BaseRepresentation
bin11001101100001…
…000101001000100
31010001000002000212
4121230020221010
51340314001012
6110433454552
713452304103
oct3154105104
91101002025
10431000132
11201319862
12100411458
136b3a6884
144135403a
1527c88b22
hex19b08a44

431000132 has 12 divisors (see below), whose sum is σ = 757256976. Its totient is φ = 214641000.

The previous prime is 431000131. The next prime is 431000153. The reversal of 431000132 is 231000134.

It is a super-2 number, since 2×4310001322 = 371522227568034848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431000131) 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 3 ways as a sum of consecutive naturals, for example, 213638 + ... + 215645.

It is an arithmetic number, because the mean of its divisors is an integer number (63104748).

Almost surely, 2431000132 is an apocalyptic number.

It is an amenable number.

431000132 is a deficient number, since it is larger than the sum of its proper divisors (326256844).

431000132 is a wasteful number, since it uses less digits than its factorization.

431000132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429538 (or 429536 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 431000132 is about 20760.5426711346. The cubic root of 431000132 is about 755.3689596144.

Adding to 431000132 its reverse (231000134), we get a palindrome (662000266).

The spelling of 431000132 in words is "four hundred thirty-one million, one hundred thirty-two", and thus it is an aban number.

Divisors: 1 2 4 251 502 1004 429283 858566 1717132 107750033 215500066 431000132