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1450364721 = 313238115619
BaseRepresentation
bin101011001110010…
…1100111100110001
310202002010011100220
41112130230330301
510432243132341
6355530203253
750640616401
oct12634547461
93662104326
101450364721
11684769533
12345883529
131a1633ba0
14da8a2801
15874e2a66
hex5672cf31

1450364721 has 16 divisors (see below), whose sum is σ = 2083583040. Its totient is φ = 892100160.

The previous prime is 1450364717. The next prime is 1450364749. The reversal of 1450364721 is 1274630541.

It is not a de Polignac number, because 1450364721 - 22 = 1450364717 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1450364021) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 85050 + ... + 100668.

It is an arithmetic number, because the mean of its divisors is an integer number (130223940).

Almost surely, 21450364721 is an apocalyptic number.

It is an amenable number.

1450364721 is a deficient number, since it is larger than the sum of its proper divisors (633218319).

1450364721 is a wasteful number, since it uses less digits than its factorization.

1450364721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18016.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 1450364721 is about 38083.6542495596. The cubic root of 1450364721 is about 1131.9460868350.

The spelling of 1450364721 in words is "one billion, four hundred fifty million, three hundred sixty-four thousand, seven hundred twenty-one".

Divisors: 1 3 13 39 2381 7143 15619 30953 46857 92859 203047 609141 37188839 111566517 483454907 1450364721