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80969007 = 373855667
BaseRepresentation
bin1001101001101…
…11110100101111
312122100122121010
410310313310233
5131212002012
612011240303
72002140150
oct464676457
9178318533
1080969007
1141783239
1223149093
1313a0c472
14aa79927
157195c3c
hex4d37d2f

80969007 has 8 divisors (see below), whose sum is σ = 123381376. Its totient is φ = 46267992.

The previous prime is 80969003. The next prime is 80969023. The reversal of 80969007 is 70096908.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80969007 - 22 = 80969003 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 (80969003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1927813 + ... + 1927854.

It is an arithmetic number, because the mean of its divisors is an integer number (15422672).

Almost surely, 280969007 is an apocalyptic number.

80969007 is a deficient number, since it is larger than the sum of its proper divisors (42412369).

80969007 is a wasteful number, since it uses less digits than its factorization.

80969007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855677.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 80969007 is about 8998.2780019290. The cubic root of 80969007 is about 432.6196793104.

The spelling of 80969007 in words is "eighty million, nine hundred sixty-nine thousand, seven".

Divisors: 1 3 7 21 3855667 11567001 26989669 80969007