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1375471040 = 26514932879
BaseRepresentation
bin101000111111100…
…0000010111000000
310112212012011112212
41101333000113000
510304110033130
6344253041252
746041211436
oct12177002700
93485164485
101375471040
11646465829
12324786228
1318bc70ab8
14d0968d56
1580b4be95
hex51fc05c0

1375471040 has 56 divisors (see below), whose sum is σ = 3278672640. Its totient is φ = 549628928.

The previous prime is 1375471033. The next prime is 1375471043. The reversal of 1375471040 is 401745731.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 1375470988 and 1375471006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375471043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 476321 + ... + 479199.

Almost surely, 21375471040 is an apocalyptic number.

1375471040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1375471040 is an abundant number, since it is smaller than the sum of its proper divisors (1903201600).

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

1375471040 is a wasteful number, since it uses less digits than its factorization.

1375471040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389 (or 4379 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 1375471040 is about 37087.3433936700. The cubic root of 1375471040 is about 1112.1170106155.

The spelling of 1375471040 in words is "one billion, three hundred seventy-five million, four hundred seventy-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 1493 2879 2986 5758 5972 7465 11516 11944 14395 14930 23032 23888 28790 29860 46064 47776 57580 59720 92128 95552 115160 119440 184256 230320 238880 460640 477760 921280 4298347 8596694 17193388 21491735 34386776 42983470 68773552 85966940 137547104 171933880 275094208 343867760 687735520 1375471040