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126706465 = 573347141
BaseRepresentation
bin1111000110101…
…10001100100001
322211102100121001
413203112030201
5224414101330
620323432001
73065662414
oct743261441
9284370531
10126706465
1165582496
1236525601
1320334652
1412b83b7b
15b1cc9ca
hex78d6321

126706465 has 8 divisors (see below), whose sum is σ = 154131048. Its totient is φ = 99976320.

The previous prime is 126706409. The next prime is 126706477. The reversal of 126706465 is 564607621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 166464 + 126540001 = 408^2 + 11249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-126706465 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 173206 + ... + 173935.

It is an arithmetic number, because the mean of its divisors is an integer number (19266381).

Almost surely, 2126706465 is an apocalyptic number.

It is an amenable number.

126706465 is a deficient number, since it is larger than the sum of its proper divisors (27424583).

126706465 is an equidigital number, since it uses as much as digits as its factorization.

126706465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347219.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 126706465 is about 11256.3966259190. The cubic root of 126706465 is about 502.2650106269.

The spelling of 126706465 in words is "one hundred twenty-six million, seven hundred six thousand, four hundred sixty-five".

Divisors: 1 5 73 365 347141 1735705 25341293 126706465