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80534641 = 1147155773
BaseRepresentation
bin1001100110011…
…01110001110001
312121112120202111
410303031301301
5131104102031
611554045321
71665350605
oct463156161
9177476674
1080534641
1141506960
1222b79841
13138b9845
14a9a5505
15710c1b1
hex4ccdc71

80534641 has 8 divisors (see below), whose sum is σ = 89725824. Its totient is φ = 71655120.

The previous prime is 80534611. The next prime is 80534659. The reversal of 80534641 is 14643508.

It is a happy number.

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 80534641 - 25 = 80534609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80534611) 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, 77370 + ... + 78403.

It is an arithmetic number, because the mean of its divisors is an integer number (11215728).

Almost surely, 280534641 is an apocalyptic number.

It is an amenable number.

80534641 is a deficient number, since it is larger than the sum of its proper divisors (9191183).

80534641 is a wasteful number, since it uses less digits than its factorization.

80534641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155831.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 80534641 is about 8974.1094822829. The cubic root of 80534641 is about 431.8446818905.

The spelling of 80534641 in words is "eighty million, five hundred thirty-four thousand, six hundred forty-one".

Divisors: 1 11 47 517 155773 1713503 7321331 80534641