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1002349420 = 22550117471
BaseRepresentation
bin111011101111101…
…010001101101100
32120212002121220121
4323233222031230
54023100140140
6243243454324
733560554342
oct7357521554
92525077817
101002349420
11474888a56
1223b8273a4
1312c880687
149719d992
155cee764a
hex3bbea36c

1002349420 has 12 divisors (see below), whose sum is σ = 2104933824. Its totient is φ = 400939760.

The previous prime is 1002349379. The next prime is 1002349421. The reversal of 1002349420 is 249432001.

It is not an unprimeable number, because it can be changed into a prime (1002349421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25058716 + ... + 25058755.

It is an arithmetic number, because the mean of its divisors is an integer number (175411152).

Almost surely, 21002349420 is an apocalyptic number.

1002349420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002349420 is an abundant number, since it is smaller than the sum of its proper divisors (1102584404).

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

1002349420 is a wasteful number, since it uses less digits than its factorization.

1002349420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50117480 (or 50117478 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1002349420 is about 31659.9024003549. The cubic root of 1002349420 is about 1000.7825274910.

The spelling of 1002349420 in words is "one billion, two million, three hundred forty-nine thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 50117471 100234942 200469884 250587355 501174710 1002349420