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8689462140 = 2235263550663
BaseRepresentation
bin10000001011110111…
…01010101101111100
3211102120202102011010
420011323222231330
5120244000242030
63554125155220
7425222131602
oct100573525574
924376672133
108689462140
113759a7a577
1218260bbb10
13a86332b98
145c609b872
1535ccda6b0
hex205eeab7c

8689462140 has 48 divisors (see below), whose sum is σ = 24423049728. Its totient is φ = 2308375104.

The previous prime is 8689462091. The next prime is 8689462181. The reversal of 8689462140 is 412649868.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 8689462140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259552 + ... + 291111.

It is an arithmetic number, because the mean of its divisors is an integer number (508813536).

Almost surely, 28689462140 is an apocalyptic number.

It is an amenable number.

8689462140 is an abundant number, since it is smaller than the sum of its proper divisors (15733587588).

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

8689462140 is a wasteful number, since it uses less digits than its factorization.

8689462140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550938 (or 550936 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 8689462140 is about 93217.2845560307. The cubic root of 8689462140 is about 2055.8793851811.

The spelling of 8689462140 in words is "eight billion, six hundred eighty-nine million, four hundred sixty-two thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 263 526 789 1052 1315 1578 2630 3156 3945 5260 7890 15780 550663 1101326 1651989 2202652 2753315 3303978 5506630 6607956 8259945 11013260 16519890 33039780 144824369 289648738 434473107 579297476 724121845 868946214 1448243690 1737892428 2172365535 2896487380 4344731070 8689462140