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80241143 = 672395011
BaseRepresentation
bin1001100100001…
…10000111110111
312120222200011012
410302012013313
5131020204033
611543502435
71663016123
oct462060767
9176880135
1080241143
11413263a4
1222a57a1b
1313816088
14a92a583
1570a0248
hex4c861f7

80241143 has 8 divisors (see below), whose sum is σ = 81795840. Its totient is φ = 78697080.

The previous prime is 80241137. The next prime is 80241149. The reversal of 80241143 is 34114208.

It is an interprime number because it is at equal distance from previous prime (80241137) and next prime (80241149).

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 80241143 - 224 = 63463927 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 (80241149) 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, 13508 + ... + 18518.

It is an arithmetic number, because the mean of its divisors is an integer number (10224480).

Almost surely, 280241143 is an apocalyptic number.

80241143 is a deficient number, since it is larger than the sum of its proper divisors (1554697).

80241143 is a wasteful number, since it uses less digits than its factorization.

80241143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5317.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 80241143 is about 8957.7420704104. The cubic root of 80241143 is about 431.3194427695.

The spelling of 80241143 in words is "eighty million, two hundred forty-one thousand, one hundred forty-three".

Divisors: 1 67 239 5011 16013 335737 1197629 80241143