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80083211 = 136160247
BaseRepresentation
bin1001100010111…
…11100100001011
312120200122111212
410301133210023
5131000130321
611540243335
71661460515
oct461374413
9176618455
1080083211
114122877a
12229a054b
131378c220
14a8c8bb5
15706d55b
hex4c5f90b

80083211 has 4 divisors (see below), whose sum is σ = 86243472. Its totient is φ = 73922952.

The previous prime is 80083177. The next prime is 80083229. The reversal of 80083211 is 11238008.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80083211 - 210 = 80082187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80083111) 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, 3080111 + ... + 3080136.

It is an arithmetic number, because the mean of its divisors is an integer number (21560868).

Almost surely, 280083211 is an apocalyptic number.

80083211 is a deficient number, since it is larger than the sum of its proper divisors (6160261).

80083211 is a wasteful number, since it uses less digits than its factorization.

80083211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6160260.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 80083211 is about 8948.9223373544. The cubic root of 80083211 is about 431.0362801271.

The spelling of 80083211 in words is "eighty million, eighty-three thousand, two hundred eleven".

Divisors: 1 13 6160247 80083211