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5680823440 = 24571010293
BaseRepresentation
bin1010100101001101…
…00111110010010000
3112122220110201202011
411102212213302100
543113242322230
62335411432304
7260530126315
oct52246476220
915586421664
105680823440
112455749806
1211265b5694
136c6c155b6
143bc686d0c
15233adbe2a
hex1529a7c90

5680823440 has 20 divisors (see below), whose sum is σ = 13207914684. Its totient is φ = 2272329344.

The previous prime is 5680823431. The next prime is 5680823459. The reversal of 5680823440 is 443280865.

It can be written as a sum of positive squares in 2 ways, for example, as 635846656 + 5044976784 = 25216^2 + 71028^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 5680823393 and 5680823402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35505067 + ... + 35505226.

Almost surely, 25680823440 is an apocalyptic number.

It is an amenable number.

5680823440 is an abundant number, since it is smaller than the sum of its proper divisors (7527091244).

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

5680823440 is a wasteful number, since it uses less digits than its factorization.

5680823440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71010306 (or 71010300 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 5680823440 is about 75371.2374848655. The cubic root of 5680823440 is about 1784.3104974787.

The spelling of 5680823440 in words is "five billion, six hundred eighty million, eight hundred twenty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 71010293 142020586 284041172 355051465 568082344 710102930 1136164688 1420205860 2840411720 5680823440