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80417485 = 539434079
BaseRepresentation
bin1001100101100…
…01001011001101
312121022122001101
410302301023031
5131041324420
611551343101
71664352211
oct462611315
9177278041
1080417485
1141436935
1222b21a91
1313878415
14a974941
1570d760a
hex4cb12cd

80417485 has 8 divisors (see below), whose sum is σ = 96549120. Its totient is φ = 64301904.

The previous prime is 80417471. The next prime is 80417489. The reversal of 80417485 is 58471408.

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 80417485 - 211 = 80415437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80417489) 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 7 ways as a sum of consecutive naturals, for example, 17676 + ... + 21754.

It is an arithmetic number, because the mean of its divisors is an integer number (12068640).

Almost surely, 280417485 is an apocalyptic number.

It is an amenable number.

80417485 is a deficient number, since it is larger than the sum of its proper divisors (16131635).

80417485 is a wasteful number, since it uses less digits than its factorization.

80417485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8027.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 80417485 is about 8967.5796623169. The cubic root of 80417485 is about 431.6351747439.

The spelling of 80417485 in words is "eighty million, four hundred seventeen thousand, four hundred eighty-five".

Divisors: 1 5 3943 4079 19715 20395 16083497 80417485