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80095421 = 711442203
BaseRepresentation
bin1001100011000…
…10100010111101
312120201021021002
410301202202331
5131001023141
611540420045
71661541230
oct461424275
9176637232
1080095421
114123696a
12229a7625
1313794953
14a8cd417
157071e9b
hex4c628bd

80095421 has 4 divisors (see below), whose sum is σ = 91537632. Its totient is φ = 68653212.

The previous prime is 80095403. The next prime is 80095423. The reversal of 80095421 is 12459008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80095421 - 214 = 80079037 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 (80095423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5721095 + ... + 5721108.

It is an arithmetic number, because the mean of its divisors is an integer number (22884408).

Almost surely, 280095421 is an apocalyptic number.

It is an amenable number.

80095421 is a deficient number, since it is larger than the sum of its proper divisors (11442211).

80095421 is a wasteful number, since it uses less digits than its factorization.

80095421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11442210.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 80095421 is about 8949.6045164018. The cubic root of 80095421 is about 431.0581851991.

The spelling of 80095421 in words is "eighty million, ninety-five thousand, four hundred twenty-one".

Divisors: 1 7 11442203 80095421