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80830337 = 7293071297
BaseRepresentation
bin1001101000101…
…01111110000001
312122002121101012
410310111332001
5131143032322
612004250305
72001021650
oct464257601
9178077335
1080830337
1141699035
12230a0995
1313991303
14aa41197
157169ae2
hex4d15f81

80830337 has 16 divisors (see below), whose sum is σ = 95948160. Its totient is φ = 66624768.

The previous prime is 80830333. The next prime is 80830339. The reversal of 80830337 is 73303808.

It is not a de Polignac number, because 80830337 - 22 = 80830333 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80830331) 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, 61673 + ... + 62969.

It is an arithmetic number, because the mean of its divisors is an integer number (5996760).

Almost surely, 280830337 is an apocalyptic number.

It is an amenable number.

80830337 is a deficient number, since it is larger than the sum of its proper divisors (15117823).

80830337 is a wasteful number, since it uses less digits than its factorization.

80830337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 80830337 is about 8990.5693368107. The cubic root of 80830337 is about 432.3725656165.

The spelling of 80830337 in words is "eighty million, eight hundred thirty thousand, three hundred thirty-seven".

Divisors: 1 7 29 203 307 1297 2149 8903 9079 37613 62321 263291 398179 2787253 11547191 80830337