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920874065 = 53159101997
BaseRepresentation
bin110110111000110…
…110110001010001
32101011210020201212
4312320312301101
53341220432230
6231213305505
731551205016
oct6670666121
92334706655
10920874065
1143289a351
12218495295
13118a248c7
148a43170d
1555ca1895
hex36e36c51

920874065 has 32 divisors (see below), whose sum is σ = 1172689920. Its totient is φ = 693216000.

The previous prime is 920874041. The next prime is 920874077. The reversal of 920874065 is 560478029.

It is not a de Polignac number, because 920874065 - 26 = 920874001 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 923147 + ... + 924143.

It is an arithmetic number, because the mean of its divisors is an integer number (36646560).

Almost surely, 2920874065 is an apocalyptic number.

It is an amenable number.

920874065 is a deficient number, since it is larger than the sum of its proper divisors (251815855).

920874065 is a wasteful number, since it uses less digits than its factorization.

920874065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 920874065 is about 30345.9068903864. The cubic root of 920874065 is about 972.8967380936.

The spelling of 920874065 in words is "nine hundred twenty million, eight hundred seventy-four thousand, sixty-five".

Divisors: 1 5 31 59 101 155 295 505 997 1829 3131 4985 5959 9145 15655 29795 30907 58823 100697 154535 184729 294115 503485 923645 1823513 3121607 5941123 9117565 15608035 29705615 184174813 920874065