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126785345 = 531381013
BaseRepresentation
bin1111000111010…
…01011101000001
322211120100210112
413203221131001
5224424112340
620325241105
73066441401
oct743513501
9284510715
10126785345
1165626785
1236563195
132036151b
1412ba4801
15b1e6065
hex78e9741

126785345 has 8 divisors (see below), whose sum is σ = 152630376. Its totient is φ = 101102976.

The previous prime is 126785333. The next prime is 126785357. The reversal of 126785345 is 543587621.

It is an interprime number because it is at equal distance from previous prime (126785333) and next prime (126785357).

It can be written as a sum of positive squares in 4 ways, for example, as 13830961 + 112954384 = 3719^2 + 10628^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 126785345 - 222 = 122591041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38942 + ... + 42071.

It is an arithmetic number, because the mean of its divisors is an integer number (19078797).

Almost surely, 2126785345 is an apocalyptic number.

It is an amenable number.

126785345 is a deficient number, since it is larger than the sum of its proper divisors (25845031).

126785345 is an equidigital number, since it uses as much as digits as its factorization.

126785345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81331.

The product of its digits is 201600, while the sum is 41.

The square root of 126785345 is about 11259.8998663398. The cubic root of 126785345 is about 502.3692159002.

The spelling of 126785345 in words is "one hundred twenty-six million, seven hundred eighty-five thousand, three hundred forty-five".

Divisors: 1 5 313 1565 81013 405065 25357069 126785345