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842506680 = 23357020889
BaseRepresentation
bin110010001101111…
…010000110111000
32011201022202220010
4302031322012320
53211140203210
6215333501520
726610121461
oct6215720670
92151282803
10842506680
113a2633814
121b61a18a0
13105716682
147dc71d68
154de71920
hex3237a1b8

842506680 has 32 divisors (see below), whose sum is σ = 2527520400. Its totient is φ = 224668416.

The previous prime is 842506669. The next prime is 842506681. The reversal of 842506680 is 86605248.

842506680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842506681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3510325 + ... + 3510564.

Almost surely, 2842506680 is an apocalyptic number.

It is an amenable number.

842506680 is an abundant number, since it is smaller than the sum of its proper divisors (1685013720).

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

842506680 is a wasteful number, since it uses less digits than its factorization.

842506680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7020903 (or 7020899 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 842506680 is about 29025.9656170126. The cubic root of 842506680 is about 944.4764155370.

The spelling of 842506680 in words is "eight hundred forty-two million, five hundred six thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 7020889 14041778 21062667 28083556 35104445 42125334 56167112 70208890 84250668 105313335 140417780 168501336 210626670 280835560 421253340 842506680