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899904948 = 22374992079
BaseRepresentation
bin110101101000110…
…111010110110100
32022201022220111220
4311220313112310
53320333424243
6225144030340
731205031405
oct6550672664
92281286456
10899904948
11421a779a8
122114623b0
13114592347
14877339ac
155400d783
hex35a375b4

899904948 has 12 divisors (see below), whose sum is σ = 2099778240. Its totient is φ = 299968312.

The previous prime is 899904937. The next prime is 899904991. The reversal of 899904948 is 849409998.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 899904891 and 899904900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37496028 + ... + 37496051.

It is an arithmetic number, because the mean of its divisors is an integer number (174981520).

Almost surely, 2899904948 is an apocalyptic number.

It is an amenable number.

899904948 is an abundant number, since it is smaller than the sum of its proper divisors (1199873292).

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

899904948 is a wasteful number, since it uses less digits than its factorization.

899904948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74992086 (or 74992084 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 60.

The square root of 899904948 is about 29998.4157581696. The cubic root of 899904948 is about 965.4553938916.

The spelling of 899904948 in words is "eight hundred ninety-nine million, nine hundred four thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 12 74992079 149984158 224976237 299968316 449952474 899904948