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80481711 = 326827237
BaseRepresentation
bin1001100110000…
…00110110101111
312121102220011010
410303000312233
5131100403321
611553000303
71665040362
oct463006657
9177386133
1080481711
1141480112
1222b53093
131389b71b
14a9900d9
1570eb676
hex4cc0daf

80481711 has 4 divisors (see below), whose sum is σ = 107308952. Its totient is φ = 53654472.

The previous prime is 80481707. The next prime is 80481733. The reversal of 80481711 is 11718408.

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

It is not a de Polignac number, because 80481711 - 22 = 80481707 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 (80481211) 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, 13413616 + ... + 13413621.

It is an arithmetic number, because the mean of its divisors is an integer number (26827238).

Almost surely, 280481711 is an apocalyptic number.

80481711 is a deficient number, since it is larger than the sum of its proper divisors (26827241).

80481711 is a wasteful number, since it uses less digits than its factorization.

80481711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26827240.

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 80481711 is about 8971.1599584446. The cubic root of 80481711 is about 431.7500536737.

The spelling of 80481711 in words is "eighty million, four hundred eighty-one thousand, seven hundred eleven".

Divisors: 1 3 26827237 80481711