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80284101 = 3191408493
BaseRepresentation
bin1001100100100…
…00100111000101
312121001212002020
410302100213011
5131023042401
611544433353
71663255302
oct462204705
9177055066
1080284101
11413556a7
1222a78859
131382c7b1
14a93c0a9
1570acd36
hex4c909c5

80284101 has 8 divisors (see below), whose sum is σ = 112679520. Its totient is φ = 50705712.

The previous prime is 80284097. The next prime is 80284103. The reversal of 80284101 is 10148208.

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

It is not a de Polignac number, because 80284101 - 22 = 80284097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80284103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704190 + ... + 704303.

It is an arithmetic number, because the mean of its divisors is an integer number (14084940).

Almost surely, 280284101 is an apocalyptic number.

It is an amenable number.

80284101 is a deficient number, since it is larger than the sum of its proper divisors (32395419).

80284101 is a wasteful number, since it uses less digits than its factorization.

80284101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408515.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 80284101 is about 8960.1395636452. The cubic root of 80284101 is about 431.3963996124.

The spelling of 80284101 in words is "eighty million, two hundred eighty-four thousand, one hundred one".

Divisors: 1 3 19 57 1408493 4225479 26761367 80284101