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80335949 = 83967903
BaseRepresentation
bin1001100100111…
…01010001001101
312121011111012112
410302131101031
5131031222244
611545513405
71663562411
oct462352115
9177144175
1080335949
1141390651
1222aa2865
131384a285
14a952d41
1570bd39e
hex4c9d44d

80335949 has 4 divisors (see below), whose sum is σ = 81303936. Its totient is φ = 79367964.

The previous prime is 80335909. The next prime is 80335967. The reversal of 80335949 is 94953308.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80335949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80335909) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 483869 + ... + 484034.

It is an arithmetic number, because the mean of its divisors is an integer number (20325984).

Almost surely, 280335949 is an apocalyptic number.

It is an amenable number.

80335949 is a deficient number, since it is larger than the sum of its proper divisors (967987).

80335949 is an equidigital number, since it uses as much as digits as its factorization.

80335949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967986.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 80335949 is about 8963.0323551798. The cubic root of 80335949 is about 431.4892458383.

The spelling of 80335949 in words is "eighty million, three hundred thirty-five thousand, nine hundred forty-nine".

Divisors: 1 83 967903 80335949