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126047272 = 23139911223
BaseRepresentation
bin1111000001101…
…01010000101000
322210011212100111
413200311100220
5224232003042
620301344104
73060245521
oct740652050
9283155314
10126047272
11651721aa
1236268034
13201635b0
1412a51848
15b0ec517
hex7835428

126047272 has 32 divisors (see below), whose sum is σ = 254983680. Its totient is φ = 58069440.

The previous prime is 126047267. The next prime is 126047287. The reversal of 126047272 is 272740621.

It is an unprimeable number.

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, 102453 + ... + 103675.

It is an arithmetic number, because the mean of its divisors is an integer number (7968240).

Almost surely, 2126047272 is an apocalyptic number.

It is an amenable number.

126047272 is an abundant number, since it is smaller than the sum of its proper divisors (128936408).

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

126047272 is a wasteful number, since it uses less digits than its factorization.

126047272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233 (or 2229 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 126047272 is about 11227.0776250991. The cubic root of 126047272 is about 501.3924810596.

Adding to 126047272 its reverse (272740621), we get a palindrome (398787893).

The spelling of 126047272 in words is "one hundred twenty-six million, forty-seven thousand, two hundred seventy-two".

Divisors: 1 2 4 8 13 26 52 104 991 1223 1982 2446 3964 4892 7928 9784 12883 15899 25766 31798 51532 63596 103064 127192 1211993 2423986 4847972 9695944 15755909 31511818 63023636 126047272