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80585038 = 2371088987
BaseRepresentation
bin1001100110110…
…10000101001110
312121122010220001
410303122011032
5131112210123
611555114514
71665650542
oct463320516
9177563801
1080585038
1141540806
1222ba2a3a
1313906771
14a9b9a22
15711c0ad
hex4cda14e

80585038 has 8 divisors (see below), whose sum is σ = 124144632. Its totient is φ = 39203496.

The previous prime is 80585033. The next prime is 80585039. The reversal of 80585038 is 83058508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×805850382 = 12987896698922888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 80584988 and 80585006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80585033) 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 3 ways as a sum of consecutive naturals, for example, 544420 + ... + 544567.

It is an arithmetic number, because the mean of its divisors is an integer number (15518079).

Almost surely, 280585038 is an apocalyptic number.

80585038 is a deficient number, since it is larger than the sum of its proper divisors (43559594).

80585038 is a wasteful number, since it uses less digits than its factorization.

80585038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089026.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 80585038 is about 8976.9169540550. The cubic root of 80585038 is about 431.9347430865.

The spelling of 80585038 in words is "eighty million, five hundred eighty-five thousand, thirty-eight".

Divisors: 1 2 37 74 1088987 2177974 40292519 80585038