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706642072 = 231929160309
BaseRepresentation
bin101010000111101…
…000000010011000
31211020200010200121
4222013220002120
52421400021242
6154041443024
723340233653
oct5207500230
91736603617
10706642072
11332976714
121787a0474
13b3526706
1469bc689a
1542085667
hex2a1e8098

706642072 has 32 divisors (see below), whose sum is σ = 1442790000. Its totient is φ = 323180928.

The previous prime is 706642067. The next prime is 706642073. The reversal of 706642072 is 270246607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706642073) 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 7 ways as a sum of consecutive naturals, for example, 75747 + ... + 84562.

Almost surely, 2706642072 is an apocalyptic number.

It is an amenable number.

706642072 is an abundant number, since it is smaller than the sum of its proper divisors (736147928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

706642072 is a wasteful number, since it uses less digits than its factorization.

706642072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160363 (or 160359 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 706642072 is about 26582.7401145932. The cubic root of 706642072 is about 890.7035097418.

Adding to 706642072 its reverse (270246607), we get a palindrome (976888679).

The spelling of 706642072 in words is "seven hundred six million, six hundred forty-two thousand, seventy-two".

Divisors: 1 2 4 8 19 29 38 58 76 116 152 232 551 1102 2204 4408 160309 320618 641236 1282472 3045871 4648961 6091742 9297922 12183484 18595844 24366968 37191688 88330259 176660518 353321036 706642072