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1438052802 = 23239675467
BaseRepresentation
bin101010110110110…
…1111000111000010
310201012221122120220
41111231233013002
510421120142202
6354410243510
750431150524
oct12555570702
93635848526
101438052802
1167881a39a
12341726596
1319bc12c24
14d8db9a14
15863aeabc
hex55b6f1c2

1438052802 has 8 divisors (see below), whose sum is σ = 2876105616. Its totient is φ = 479350932.

The previous prime is 1438052773. The next prime is 1438052809. The reversal of 1438052802 is 2082508341.

It is a sphenic number, since it is the product of 3 distinct primes.

1438052802 is an admirable number.

It is a super-2 number, since 2×14380528022 = 4135991722680102408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1438052809) 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 3 ways as a sum of consecutive naturals, for example, 119837728 + ... + 119837739.

It is an arithmetic number, because the mean of its divisors is an integer number (359513202).

Almost surely, 21438052802 is an apocalyptic number.

1438052802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1438052802 is a wasteful number, since it uses less digits than its factorization.

1438052802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239675472.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 1438052802 is about 37921.6666564116. Note that the first 4 decimals coincide. The cubic root of 1438052802 is about 1128.7340096507.

The spelling of 1438052802 in words is "one billion, four hundred thirty-eight million, fifty-two thousand, eight hundred two".

Divisors: 1 2 3 6 239675467 479350934 719026401 1438052802