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1425352425 = 352721991949
BaseRepresentation
bin101010011110101…
…0010011011101001
310200100001101221120
41110331102123221
510404342234200
6353234125453
750215203300
oct12475223351
93610041846
101425352425
11671635412
12339420889
131993b7203
14d7431437
15852019a0
hex54f526e9

1425352425 has 72 divisors (see below), whose sum is σ = 2756520000. Its totient is φ = 647982720.

The previous prime is 1425352421. The next prime is 1425352427. The reversal of 1425352425 is 5242535241.

It is a happy number.

It is not a de Polignac number, because 1425352425 - 22 = 1425352421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1425352421) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 730351 + ... + 732299.

It is an arithmetic number, because the mean of its divisors is an integer number (38285000).

Almost surely, 21425352425 is an apocalyptic number.

1425352425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1425352425 is a deficient number, since it is larger than the sum of its proper divisors (1331167575).

1425352425 is a wasteful number, since it uses less digits than its factorization.

1425352425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175 (or 2163 counting only the distinct ones).

The product of its digits is 48000, while the sum is 33.

The square root of 1425352425 is about 37753.8398709323. The cubic root of 1425352425 is about 1125.4013185500.

Adding to 1425352425 its reverse (5242535241), we get a palindrome (6667887666).

The spelling of 1425352425 in words is "one billion, four hundred twenty-five million, three hundred fifty-two thousand, four hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 49 75 105 147 175 199 245 525 597 735 995 1225 1393 1949 2985 3675 4179 4975 5847 6965 9745 9751 13643 14925 20895 29235 29253 34825 40929 48725 48755 68215 95501 104475 146175 146265 204645 243775 286503 341075 387851 477505 731325 1023225 1163553 1432515 1939255 2387525 2714957 5817765 7162575 8144871 9696275 13574785 19004699 29088825 40724355 57014097 67873925 95023495 203621775 285070485 475117475 1425352425