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1384438044 = 2231117616951
BaseRepresentation
bin101001010000100…
…1101100100011100
310120111001201222010
41102201031210130
510313404004134
6345213151220
746210346343
oct12241154434
93514051863
101384438044
1165052a880
1232778b510
13190a90412
14d1c20b5a
158181dce9
hex5284d91c

1384438044 has 48 divisors (see below), whose sum is σ = 3731325696. Its totient is φ = 394848000.

The previous prime is 1384438039. The next prime is 1384438093. The reversal of 1384438044 is 4408344831.

It is a junction number, because it is equal to n+sod(n) for n = 1384437993 and 1384438011.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 306232 + ... + 310719.

It is an arithmetic number, because the mean of its divisors is an integer number (77735952).

Almost surely, 21384438044 is an apocalyptic number.

It is an amenable number.

1384438044 is an abundant number, since it is smaller than the sum of its proper divisors (2346887652).

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

1384438044 is a wasteful number, since it uses less digits than its factorization.

1384438044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616986 (or 616984 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 39.

The square root of 1384438044 is about 37208.0373575388. The cubic root of 1384438044 is about 1114.5284912070.

The spelling of 1384438044 in words is "one billion, three hundred eighty-four million, four hundred thirty-eight thousand, forty-four".

Divisors: 1 2 3 4 6 11 12 17 22 33 34 44 51 66 68 102 132 187 204 374 561 748 1122 2244 616951 1233902 1850853 2467804 3701706 6786461 7403412 10488167 13572922 20359383 20976334 27145844 31464501 40718766 41952668 62929002 81437532 115369837 125858004 230739674 346109511 461479348 692219022 1384438044