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1500940420 = 225710721003
BaseRepresentation
bin101100101110110…
…1000100010000100
310212121021200011221
41121131220202010
511033220043140
6404534210124
752123532410
oct13135504204
93777250157
101500940420
11700272831
1235a7b3944
131abc61335
141034a9d40
158bb8314a
hex59768884

1500940420 has 24 divisors (see below), whose sum is σ = 3602257344. Its totient is φ = 514608096.

The previous prime is 1500940403. The next prime is 1500940447. The reversal of 1500940420 is 240490051.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 5360362 + ... + 5360641.

It is an arithmetic number, because the mean of its divisors is an integer number (150094056).

Almost surely, 21500940420 is an apocalyptic number.

1500940420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1500940420 is an abundant number, since it is smaller than the sum of its proper divisors (2101316924).

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

1500940420 is a wasteful number, since it uses less digits than its factorization.

1500940420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10721019 (or 10721017 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1500940420 is about 38741.9723297614. The cubic root of 1500940420 is about 1144.9534175032.

The spelling of 1500940420 in words is "one billion, five hundred million, nine hundred forty thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 10721003 21442006 42884012 53605015 75047021 107210030 150094042 214420060 300188084 375235105 750470210 1500940420