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126946782 = 2327052599
BaseRepresentation
bin1111001000100…
…00110111011110
322211212120020200
413210100313132
5224444244112
620332524330
73101013144
oct744206736
9284776220
10126946782
1165726aa6
12366206a6
13203b9b51
1412c07594
15b228cdc
hex7910dde

126946782 has 12 divisors (see below), whose sum is σ = 275051400. Its totient is φ = 42315588.

The previous prime is 126946763. The next prime is 126946789. The reversal of 126946782 is 287649621.

It is a happy number.

It is a super-2 number, since 2×1269467822 = 32230970920311048, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126946789) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3526282 + ... + 3526317.

It is an arithmetic number, because the mean of its divisors is an integer number (22920950).

Almost surely, 2126946782 is an apocalyptic number.

126946782 is an abundant number, since it is smaller than the sum of its proper divisors (148104618).

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

126946782 is a wasteful number, since it uses less digits than its factorization.

126946782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7052607 (or 7052604 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 126946782 is about 11267.0662552414. The cubic root of 126946782 is about 502.5823493167.

The spelling of 126946782 in words is "one hundred twenty-six million, nine hundred forty-six thousand, seven hundred eighty-two".

Divisors: 1 2 3 6 9 18 7052599 14105198 21157797 42315594 63473391 126946782