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8486943620 = 225424347181
BaseRepresentation
bin1111110011101110…
…00111101110000100
3210220110200101222012
413321313013232010
5114340124143440
63522052353352
7420212554601
oct77167075604
923813611865
108486943620
1136657273a1
12178a315858
13a533a643c
145a72216a8
1534a134e65
hex1f9dc7b84

8486943620 has 12 divisors (see below), whose sum is σ = 17822581644. Its totient is φ = 3394777440.

The previous prime is 8486943611. The next prime is 8486943623. The reversal of 8486943620 is 263496848.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6135275584 + 2351668036 = 78328^2 + 48494^2 .

It is not an unprimeable number, because it can be changed into a prime (8486943623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212173571 + ... + 212173610.

It is an arithmetic number, because the mean of its divisors is an integer number (1485215137).

Almost surely, 28486943620 is an apocalyptic number.

It is an amenable number.

8486943620 is an abundant number, since it is smaller than the sum of its proper divisors (9335638024).

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

8486943620 is a wasteful number, since it uses less digits than its factorization.

8486943620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424347190 (or 424347188 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 50.

The square root of 8486943620 is about 92124.6091986284. The cubic root of 8486943620 is about 2039.7820813614.

The spelling of 8486943620 in words is "eight billion, four hundred eighty-six million, nine hundred forty-three thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 424347181 848694362 1697388724 2121735905 4243471810 8486943620