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80329675 = 5217189011
BaseRepresentation
bin1001100100110…
…11101111001011
312121011011121011
410302123233023
5131031022200
611545424351
71663535206
oct462335713
9177134534
1080329675
1141386968
1222a9b0b7
131384746a
14a95093d
1570bb5ba
hex4c9bbcb

80329675 has 12 divisors (see below), whose sum is σ = 105468696. Its totient is φ = 60483200.

The previous prime is 80329673. The next prime is 80329699. The reversal of 80329675 is 57692308.

It is not a de Polignac number, because 80329675 - 21 = 80329673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80329673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94081 + ... + 94930.

It is an arithmetic number, because the mean of its divisors is an integer number (8789058).

Almost surely, 280329675 is an apocalyptic number.

80329675 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

80329675 is a deficient number, since it is larger than the sum of its proper divisors (25139021).

80329675 is a wasteful number, since it uses less digits than its factorization.

80329675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189038 (or 189033 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 80329675 is about 8962.6823551881. The cubic root of 80329675 is about 431.4780128679.

The spelling of 80329675 in words is "eighty million, three hundred twenty-nine thousand, six hundred seventy-five".

Divisors: 1 5 17 25 85 425 189011 945055 3213187 4725275 16065935 80329675