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132470765 = 572540697
BaseRepresentation
bin1111110010101…
…01011111101101
3100020021012201122
413321111133231
5232403031030
621051150325
73165661100
oct771253755
9306235648
10132470765
116885a279
12384453a5
13215a228b
1413844737
15b96a8e5
hex7e557ed

132470765 has 12 divisors (see below), whose sum is σ = 184918716. Its totient is φ = 90836928.

The previous prime is 132470759. The next prime is 132470809. The reversal of 132470765 is 567074231.

It can be written as a sum of positive squares in 2 ways, for example, as 36156169 + 96314596 = 6013^2 + 9814^2 .

It is not a de Polignac number, because 132470765 - 214 = 132454381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 270104 + ... + 270593.

It is an arithmetic number, because the mean of its divisors is an integer number (15409893).

Almost surely, 2132470765 is an apocalyptic number.

It is an amenable number.

132470765 is a deficient number, since it is larger than the sum of its proper divisors (52447951).

132470765 is an equidigital number, since it uses as much as digits as its factorization.

132470765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540716 (or 540709 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 132470765 is about 11509.5944759144. The cubic root of 132470765 is about 509.7689136344.

The spelling of 132470765 in words is "one hundred thirty-two million, four hundred seventy thousand, seven hundred sixty-five".

Divisors: 1 5 7 35 49 245 540697 2703485 3784879 18924395 26494153 132470765