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80034471 = 32111734673
BaseRepresentation
bin1001100010100…
…11101010100111
312120121011122200
410301103222213
5130442100341
611535225543
71661165436
oct461235247
9176534580
1080034471
11411a50a0
12229782b3
1313772c9a
14a8b511d
15705ddb6
hex4c53aa7

80034471 has 24 divisors (see below), whose sum is σ = 126871056. Its totient is φ = 48215040.

The previous prime is 80034469. The next prime is 80034497. The reversal of 80034471 is 17443008.

It is not a de Polignac number, because 80034471 - 21 = 80034469 is a prime.

It is a super-3 number, since 3×800344713 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80034401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14791 + ... + 19463.

It is an arithmetic number, because the mean of its divisors is an integer number (5286294).

Almost surely, 280034471 is an apocalyptic number.

80034471 is a deficient number, since it is larger than the sum of its proper divisors (46836585).

80034471 is a wasteful number, since it uses less digits than its factorization.

80034471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4863 (or 4860 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 80034471 is about 8946.1986899465. The cubic root of 80034471 is about 430.9488170514.

Adding to 80034471 its reverse (17443008), we get a palindrome (97477479).

The spelling of 80034471 in words is "eighty million, thirty-four thousand, four hundred seventy-one".

Divisors: 1 3 9 11 33 99 173 519 1557 1903 4673 5709 14019 17127 42057 51403 154209 462627 808429 2425287 7275861 8892719 26678157 80034471