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80370315 = 3252238009
BaseRepresentation
bin1001100101001…
…01101010001011
312121020020100100
410302211222023
5131033322230
611550340443
71664064534
oct462455213
9177206310
1080370315
1141404453
1222aba723
131385cacc
14a96168b
1570c8660
hex4ca5a8b

80370315 has 24 divisors (see below), whose sum is σ = 139950720. Its totient is φ = 42666624.

The previous prime is 80370307. The next prime is 80370337. The reversal of 80370315 is 51307308.

It is not a de Polignac number, because 80370315 - 23 = 80370307 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6031 + ... + 14039.

It is an arithmetic number, because the mean of its divisors is an integer number (5831280).

Almost surely, 280370315 is an apocalyptic number.

80370315 is a deficient number, since it is larger than the sum of its proper divisors (59580405).

80370315 is a wasteful number, since it uses less digits than its factorization.

80370315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8243 (or 8240 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 80370315 is about 8964.9492469283. The cubic root of 80370315 is about 431.5507643559.

The spelling of 80370315 in words is "eighty million, three hundred seventy thousand, three hundred fifteen".

Divisors: 1 3 5 9 15 45 223 669 1115 2007 3345 8009 10035 24027 40045 72081 120135 360405 1786007 5358021 8930035 16074063 26790105 80370315