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8513085448 = 237191795913
BaseRepresentation
bin1111110110110101…
…10110000000001000
3210222021212112211001
413323122312000020
5114413322213243
63524424544344
7420651014050
oct77332660010
923867775731
108513085448
11367946210a
1217970220b4
13a5892a28a
145aa8a8560
1534c59aa4d
hex1fb6b6008

8513085448 has 32 divisors (see below), whose sum is σ = 18337858560. Its totient is φ = 3629358720.

The previous prime is 8513085437. The next prime is 8513085499. The reversal of 8513085448 is 8445803158.

It is a junction number, because it is equal to n+sod(n) for n = 8513085398 and 8513085407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387261 + ... + 408652.

It is an arithmetic number, because the mean of its divisors is an integer number (573058080).

Almost surely, 28513085448 is an apocalyptic number.

It is an amenable number.

8513085448 is an abundant number, since it is smaller than the sum of its proper divisors (9824773112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8513085448 is a wasteful number, since it uses less digits than its factorization.

8513085448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796117 (or 796113 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 46.

The square root of 8513085448 is about 92266.3830872328. The cubic root of 8513085448 is about 2041.8742745128.

The spelling of 8513085448 in words is "eight billion, five hundred thirteen million, eighty-five thousand, four hundred forty-eight".

Divisors: 1 2 4 7 8 14 28 56 191 382 764 1337 1528 2674 5348 10696 795913 1591826 3183652 5571391 6367304 11142782 22285564 44571128 152019383 304038766 608077532 1064135681 1216155064 2128271362 4256542724 8513085448