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80106361 = 211443857
BaseRepresentation
bin1001100011001…
…01001101111001
312120201211021021
410301211031321
5131001400421
611540542441
71661615146
oct461451571
9176654237
1080106361
1141244105
12229b1a21
131379991a
14a8d33cd
157075341
hex4c65379

80106361 has 8 divisors (see below), whose sum is σ = 80761824. Its totient is φ = 79453920.

The previous prime is 80106349. The next prime is 80106379. The reversal of 80106361 is 16360108.

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 80106361 - 27 = 80106233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80106311) 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, 93045 + ... + 93901.

It is an arithmetic number, because the mean of its divisors is an integer number (10095228).

Almost surely, 280106361 is an apocalyptic number.

It is an amenable number.

80106361 is a deficient number, since it is larger than the sum of its proper divisors (655463).

80106361 is a wasteful number, since it uses less digits than its factorization.

80106361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 80106361 is about 8950.2156957249. The cubic root of 80106361 is about 431.0778099659.

Adding to 80106361 its reverse (16360108), we get a palindrome (96466469).

The spelling of 80106361 in words is "eighty million, one hundred six thousand, three hundred sixty-one".

Divisors: 1 211 443 857 93473 180827 379651 80106361