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69076993 = 109762969
BaseRepresentation
bin1000001111000…
…00100000000001
311210222110211011
410013200200001
5120140430433
610504320521
71466100436
oct407404001
9153873734
1069076993
1135aa0627
121b173141
131140767b
149261b8d
1560e73cd
hex41e0801

69076993 has 4 divisors (see below), whose sum is σ = 69141060. Its totient is φ = 69012928.

The previous prime is 69076979. The next prime is 69077009. The reversal of 69076993 is 39967096.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29235649 + 39841344 = 5407^2 + 6312^2 .

It is a cyclic number.

It is not a de Polignac number, because 69076993 - 25 = 69076961 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69070993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30388 + ... + 32581.

It is an arithmetic number, because the mean of its divisors is an integer number (17285265).

Almost surely, 269076993 is an apocalyptic number.

It is an amenable number.

69076993 is a deficient number, since it is larger than the sum of its proper divisors (64067).

69076993 is a wasteful number, since it uses less digits than its factorization.

69076993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64066.

The product of its (nonzero) digits is 551124, while the sum is 49.

The square root of 69076993 is about 8311.2570048098. The cubic root of 69076993 is about 410.3090927193.

The spelling of 69076993 in words is "sixty-nine million, seventy-six thousand, nine hundred ninety-three".

Divisors: 1 1097 62969 69076993