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1383888892 = 221871184913
BaseRepresentation
bin101001001111100…
…0111011111111100
310120110000211200011
41102133013133330
510313233421032
6345153313004
746202601331
oct12237073774
93513024604
101383888892
11650195231
12327565764
1319092a489
14d1b1a988
1581761247
hex527c77fc

1383888892 has 12 divisors (see below), whose sum is σ = 2423113056. Its totient is φ = 691570880.

The previous prime is 1383888889. The next prime is 1383888967. The reversal of 1383888892 is 2988883831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84973 + ... + 99940.

It is an arithmetic number, because the mean of its divisors is an integer number (201926088).

Almost surely, 21383888892 is an apocalyptic number.

It is an amenable number.

1383888892 is a deficient number, since it is larger than the sum of its proper divisors (1039224164).

1383888892 is a wasteful number, since it uses less digits than its factorization.

1383888892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186788 (or 186786 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 58.

The square root of 1383888892 is about 37200.6571447333. The cubic root of 1383888892 is about 1114.3811085451.

The spelling of 1383888892 in words is "one billion, three hundred eighty-three million, eight hundred eighty-eight thousand, eight hundred ninety-two".

Divisors: 1 2 4 1871 3742 7484 184913 369826 739652 345972223 691944446 1383888892