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132820843 = 347382769
BaseRepresentation
bin1111110101010…
…10111101101011
3100020220222221111
413322222331223
5233000231333
621102451151
73201646531
oct772527553
9306828844
10132820843
1168a792a1
1238593ab7
132169571c
14138d6151
15b9d94cd
hex7eaaf6b

132820843 has 4 divisors (see below), whose sum is σ = 133203960. Its totient is φ = 132437728.

The previous prime is 132820829. The next prime is 132820889. The reversal of 132820843 is 348028231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 132820843 - 213 = 132812651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132820823) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 191038 + ... + 191731.

It is an arithmetic number, because the mean of its divisors is an integer number (33300990).

Almost surely, 2132820843 is an apocalyptic number.

132820843 is a deficient number, since it is larger than the sum of its proper divisors (383117).

132820843 is an equidigital number, since it uses as much as digits as its factorization.

132820843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383116.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 132820843 is about 11524.7925360937. The cubic root of 132820843 is about 510.2175708881.

The spelling of 132820843 in words is "one hundred thirty-two million, eight hundred twenty thousand, eight hundred forty-three".

Divisors: 1 347 382769 132820843