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126908644 = 22167189983
BaseRepresentation
bin1111001000001…
…11100011100100
322211210121221011
413210013203210
5224442034034
620332032004
73100464022
oct744074344
9284717834
10126908644
1165700385
1236602604
13203a5695
1412bd7712
15b21c864
hex79078e4

126908644 has 12 divisors (see below), whose sum is σ = 223421184. Its totient is φ = 63074024.

The previous prime is 126908633. The next prime is 126908671. The reversal of 126908644 is 446809621.

It is a super-2 number, since 2×1269086442 = 32211607843837472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126908597 and 126908606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94324 + ... + 95659.

It is an arithmetic number, because the mean of its divisors is an integer number (18618432).

Almost surely, 2126908644 is an apocalyptic number.

It is an amenable number.

126908644 is a deficient number, since it is larger than the sum of its proper divisors (96512540).

126908644 is a wasteful number, since it uses less digits than its factorization.

126908644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190154 (or 190152 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 126908644 is about 11265.3736733408. The cubic root of 126908644 is about 502.5320148245.

The spelling of 126908644 in words is "one hundred twenty-six million, nine hundred eight thousand, six hundred forty-four".

Divisors: 1 2 4 167 334 668 189983 379966 759932 31727161 63454322 126908644