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1145928125 = 55366697
BaseRepresentation
bin100010001001101…
…0111100110111101
32221212021011212102
41010103113212331
54321324200000
6305413114445
740253141216
oct10423274675
92855234772
101145928125
11538934841
1227b928a25
131535418a4
14ac29640d
156a9093d5
hex444d79bd

1145928125 has 12 divisors (see below), whose sum is σ = 1432322388. Its totient is φ = 916740000.

The previous prime is 1145928097. The next prime is 1145928131. The reversal of 1145928125 is 5218295411.

It can be written as a sum of positive squares in 6 ways, for example, as 1011112804 + 134815321 = 31798^2 + 11611^2 .

It is not a de Polignac number, because 1145928125 - 216 = 1145862589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 180224 + ... + 186473.

It is an arithmetic number, because the mean of its divisors is an integer number (119360199).

Almost surely, 21145928125 is an apocalyptic number.

It is an amenable number.

1145928125 is a deficient number, since it is larger than the sum of its proper divisors (286394263).

1145928125 is an frugal number, since it uses more digits than its factorization.

1145928125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366722 (or 366702 counting only the distinct ones).

The product of its digits is 28800, while the sum is 38.

The square root of 1145928125 is about 33851.5601560696. The cubic root of 1145928125 is about 1046.4515514728.

The spelling of 1145928125 in words is "one billion, one hundred forty-five million, nine hundred twenty-eight thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 3125 366697 1833485 9167425 45837125 229185625 1145928125