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8480821375 = 531322331723
BaseRepresentation
bin1111110010111111…
…10001000001111111
3210220001011100211101
413321133301001333
5114332042241000
63521313233531
7420106535515
oct77137610177
923801140741
108480821375
113662225694
1217882628a7
13a52041900
145a64aa4b5
15349825e6a
hex1f97f107f

8480821375 has 48 divisors (see below), whose sum is σ = 11516719968. Its totient is φ = 6232262400.

The previous prime is 8480821369. The next prime is 8480821403. The reversal of 8480821375 is 5731280848.

It is not a de Polignac number, because 8480821375 - 29 = 8480820863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4921264 + ... + 4922986.

It is an arithmetic number, because the mean of its divisors is an integer number (239931666).

Almost surely, 28480821375 is an apocalyptic number.

8480821375 is a deficient number, since it is larger than the sum of its proper divisors (3035898593).

8480821375 is a wasteful number, since it uses less digits than its factorization.

8480821375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997 (or 1974 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 46.

The square root of 8480821375 is about 92091.3751390433. The cubic root of 8480821375 is about 2039.2914826938.

The spelling of 8480821375 in words is "eight billion, four hundred eighty million, eight hundred twenty-one thousand, three hundred seventy-five".

Divisors: 1 5 13 25 65 125 169 233 325 845 1165 1625 1723 3029 4225 5825 8615 15145 21125 22399 29125 39377 43075 75725 111995 196885 215375 291187 378625 401459 559975 984425 1455935 2007295 2799875 4922125 5218967 7279675 10036475 26094835 36398375 50182375 67846571 130474175 339232855 652370875 1696164275 8480821375