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80099201 = 713880211
BaseRepresentation
bin1001100011000…
…11011110000001
312120201110110002
410301203132001
5131001133301
611540445345
71661555240
oct461433601
9176643402
1080099201
1141239796
12229a9855
13137965a0
14a8d0957
15707316b
hex4c63781

80099201 has 8 divisors (see below), whose sum is σ = 98583744. Its totient is φ = 63375120.

The previous prime is 80099183. The next prime is 80099203. The reversal of 80099201 is 10299008.

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

It is a cyclic number.

It is not a de Polignac number, because 80099201 - 26 = 80099137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80099203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440015 + ... + 440196.

It is an arithmetic number, because the mean of its divisors is an integer number (12322968).

Almost surely, 280099201 is an apocalyptic number.

It is an amenable number.

80099201 is a deficient number, since it is larger than the sum of its proper divisors (18484543).

80099201 is a wasteful number, since it uses less digits than its factorization.

80099201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880231.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 80099201 is about 8949.8156964264. The cubic root of 80099201 is about 431.0649661707.

It can be divided in two parts, 800 and 99201, that added together give a palindrome (100001).

The spelling of 80099201 in words is "eighty million, ninety-nine thousand, two hundred one".

Divisors: 1 7 13 91 880211 6161477 11442743 80099201