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987202064 = 2461700129
BaseRepresentation
bin111010110101111…
…000001000010000
32112210121001122102
4322311320020100
54010210431224
6241543055532
733315036062
oct7265701020
92483531572
10987202064
11467282582
122367415a8
131296a8c44
1495179732
155ba044ae
hex3ad78210

987202064 has 10 divisors (see below), whose sum is σ = 1912704030. Its totient is φ = 493601024.

The previous prime is 987202063. The next prime is 987202081. The reversal of 987202064 is 460202789.

It can be written as a sum of positive squares in only one way, i.e., 986462464 + 739600 = 31408^2 + 860^2 .

It is not an unprimeable number, because it can be changed into a prime (987202063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30850049 + ... + 30850080.

It is an arithmetic number, because the mean of its divisors is an integer number (191270403).

Almost surely, 2987202064 is an apocalyptic number.

It is an amenable number.

987202064 is a deficient number, since it is larger than the sum of its proper divisors (925501966).

987202064 is a wasteful number, since it uses less digits than its factorization.

987202064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61700137 (or 61700131 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 987202064 is about 31419.7718642259. The cubic root of 987202064 is about 995.7156922537.

The spelling of 987202064 in words is "nine hundred eighty-seven million, two hundred two thousand, sixty-four".

Divisors: 1 2 4 8 16 61700129 123400258 246800516 493601032 987202064