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5681506240 = 26517754707
BaseRepresentation
bin1010100101010010…
…01110011111000000
3112122221202102101001
411102221032133000
543113431144430
62335434221344
7260536002064
oct52251163700
915587672331
105681506240
112456075803
121126884854
136c70c4317
143bc7c3aa4
15233bc43ca
hex152a4e7c0

5681506240 has 28 divisors (see below), whose sum is σ = 13529087496. Its totient is φ = 2272602368.

The previous prime is 5681506231. The next prime is 5681506297. The reversal of 5681506240 is 426051865.

It is a self number, because there is not a number n which added to its sum of digits gives 5681506240.

It is a congruent number.

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, 8877034 + ... + 8877673.

Almost surely, 25681506240 is an apocalyptic number.

It is an amenable number.

5681506240 is an abundant number, since it is smaller than the sum of its proper divisors (7847581256).

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

5681506240 is a wasteful number, since it uses less digits than its factorization.

5681506240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17754724 (or 17754714 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 5681506240 is about 75375.7669281050. The cubic root of 5681506240 is about 1784.3819823266.

The spelling of 5681506240 in words is "five billion, six hundred eighty-one million, five hundred six thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 17754707 35509414 71018828 88773535 142037656 177547070 284075312 355094140 568150624 710188280 1136301248 1420376560 2840753120 5681506240