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80700701 = 569141829
BaseRepresentation
bin1001100111101…
…10010100011101
312121212000112212
410303312110131
5131124410301
612001410205
71666642004
oct463662435
9177760485
1080700701
114160a6a4
1223039965
13139472c3
14aa09c3b
1571414bb
hex4cf651d

80700701 has 4 divisors (see below), whose sum is σ = 80843100. Its totient is φ = 80558304.

The previous prime is 80700691. The next prime is 80700703. The reversal of 80700701 is 10700708.

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 9703225 + 70997476 = 3115^2 + 8426^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80700701 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 (80700703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70346 + ... + 71483.

It is an arithmetic number, because the mean of its divisors is an integer number (20210775).

Almost surely, 280700701 is an apocalyptic number.

It is an amenable number.

80700701 is a deficient number, since it is larger than the sum of its proper divisors (142399).

80700701 is a wasteful number, since it uses less digits than its factorization.

80700701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142398.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 80700701 is about 8983.3568892703. The cubic root of 80700701 is about 432.1412950165.

The spelling of 80700701 in words is "eighty million, seven hundred thousand, seven hundred one".

Divisors: 1 569 141829 80700701