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1438874802 = 232233475543
BaseRepresentation
bin101010111000011…
…0111110010110010
310201021111102011100
41111300313302302
510421322443202
6354440025230
750441143161
oct12560676262
93637442140
101438874802
11679230a32
12341a62216
1319c140111
14d91513d8
15864c341c
hex55c37cb2

1438874802 has 24 divisors (see below), whose sum is σ = 3253109184. Its totient is φ = 458771544.

The previous prime is 1438874797. The next prime is 1438874809. The reversal of 1438874802 is 2084788341.

It is not an unprimeable number, because it can be changed into a prime (1438874809) 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 11 ways as a sum of consecutive naturals, for example, 1737358 + ... + 1738185.

It is an arithmetic number, because the mean of its divisors is an integer number (135546216).

Almost surely, 21438874802 is an apocalyptic number.

1438874802 is an abundant number, since it is smaller than the sum of its proper divisors (1814234382).

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

1438874802 is a wasteful number, since it uses less digits than its factorization.

1438874802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475574 (or 3475571 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 1438874802 is about 37932.5032393065. The cubic root of 1438874802 is about 1128.9490324993.

The spelling of 1438874802 in words is "one billion, four hundred thirty-eight million, eight hundred seventy-four thousand, eight hundred two".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 3475543 6951086 10426629 20853258 31279887 62559774 79937489 159874978 239812467 479624934 719437401 1438874802