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8480257 = 47672693
BaseRepresentation
bin100000010110…
…011000000001
3120221211201121
4200112120001
54132332012
6501432241
7132036532
oct40263001
916854647
108480257
114872385
122a0b681
1319abc06
1411aa689
15b27a07
hex816601

8480257 has 8 divisors (see below), whose sum is σ = 8793216. Its totient is φ = 8172912.

The previous prime is 8480249. The next prime is 8480273. The reversal of 8480257 is 7520848.

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 8480257 - 23 = 8480249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8480207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1803 + ... + 4495.

It is an arithmetic number, because the mean of its divisors is an integer number (1099152).

Almost surely, 28480257 is an apocalyptic number.

It is an amenable number.

8480257 is a deficient number, since it is larger than the sum of its proper divisors (312959).

8480257 is a wasteful number, since it uses less digits than its factorization.

8480257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 8480257 is about 2912.0880824590. The cubic root of 8480257 is about 203.9246245304.

The spelling of 8480257 in words is "eight million, four hundred eighty thousand, two hundred fifty-seven".

Divisors: 1 47 67 2693 3149 126571 180431 8480257