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1072388325 = 352109233563
BaseRepresentation
bin111111111010110…
…101100011100101
32202201212222020010
4333322311203211
54144012411300
6254225000433
735401102401
oct7772654345
92681788203
101072388325
11500376248
1225b183119
13141233b08
14a25d2101
156422ea50
hex3feb58e5

1072388325 has 48 divisors (see below), whose sum is σ = 1800152640. Its totient is φ = 563258880.

The previous prime is 1072388321. The next prime is 1072388351. The reversal of 1072388325 is 5238832701.

It is not a de Polignac number, because 1072388325 - 22 = 1072388321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072388321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1904494 + ... + 1905056.

It is an arithmetic number, because the mean of its divisors is an integer number (37503180).

Almost surely, 21072388325 is an apocalyptic number.

1072388325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1072388325 is a deficient number, since it is larger than the sum of its proper divisors (727764315).

1072388325 is a wasteful number, since it uses less digits than its factorization.

1072388325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 1072388325 is about 32747.3407317297. The cubic root of 1072388325 is about 1023.5695533391.

The spelling of 1072388325 in words is "one billion, seventy-two million, three hundred eighty-eight thousand, three hundred twenty-five".

Divisors: 1 3 5 15 25 75 109 233 327 545 563 699 1165 1635 1689 2725 2815 3495 5825 8175 8445 14075 17475 25397 42225 61367 76191 126985 131179 184101 306835 380955 393537 634925 655895 920505 1534175 1904775 1967685 3279475 4602525 9838425 14298511 42895533 71492555 214477665 357462775 1072388325