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80038343 = 7112833673
BaseRepresentation
bin1001100010101…
…00100111000111
312120121100222002
410301110213013
5130442211333
611535255515
71661212640
oct461244707
9176540862
1080038343
11411a7aa0
122297a59b
1313774988
14a8b66c7
1570600e8
hex4c549c7

80038343 has 16 divisors (see below), whose sum is σ = 100167936. Its totient is φ = 62130240.

The previous prime is 80038339. The next prime is 80038349. The reversal of 80038343 is 34383008.

It is a cyclic number.

It is not a de Polignac number, because 80038343 - 22 = 80038339 is a prime.

It is a super-2 number, since 2×800383432 = 12812272700371298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80038349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19955 + ... + 23627.

It is an arithmetic number, because the mean of its divisors is an integer number (6260496).

Almost surely, 280038343 is an apocalyptic number.

80038343 is a deficient number, since it is larger than the sum of its proper divisors (20129593).

80038343 is a wasteful number, since it uses less digits than its factorization.

80038343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3974.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 80038343 is about 8946.4150920914. The cubic root of 80038343 is about 430.9557665858.

The spelling of 80038343 in words is "eighty million, thirty-eight thousand, three hundred forty-three".

Divisors: 1 7 11 77 283 1981 3113 3673 21791 25711 40403 282821 1039459 7276213 11434049 80038343