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13783125 = 3547351
BaseRepresentation
bin110100100101…
…000001010101
3221221020220010
4310211001111
512012030000
61211230433
7225104016
oct64450125
927836803
1013783125
117864514
124748419
132b177c5
141b8b00d
151323d50
hexd25055

13783125 has 20 divisors (see below), whose sum is σ = 22967648. Its totient is φ = 7350000.

The previous prime is 13783111. The next prime is 13783139. The reversal of 13783125 is 52138731.

It is an interprime number because it is at equal distance from previous prime (13783111) and next prime (13783139).

It is not a de Polignac number, because 13783125 - 24 = 13783109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13783092 and 13783101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1801 + ... + 5550.

Almost surely, 213783125 is an apocalyptic number.

13783125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13783125 is a deficient number, since it is larger than the sum of its proper divisors (9184523).

13783125 is an frugal number, since it uses more digits than its factorization.

13783125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7374 (or 7359 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 13783125 is about 3712.5631307764. The cubic root of 13783125 is about 239.7632213374.

The spelling of 13783125 in words is "thirteen million, seven hundred eighty-three thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 625 1875 7351 22053 36755 110265 183775 551325 918875 2756625 4594375 13783125