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38140025 = 5271119813
BaseRepresentation
bin1001000101111…
…1100001111001
32122202201021112
42101133201321
534230440100
63441250105
7642120260
oct221374171
978681245
1038140025
111a590190
1210933935
137b95081
1450cb5d7
153535b35
hex245f879

38140025 has 24 divisors (see below), whose sum is σ = 58966464. Its totient is φ = 23774400.

The previous prime is 38140009. The next prime is 38140031. The reversal of 38140025 is 52004183.

It is not a de Polignac number, because 38140025 - 24 = 38140009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7982 + ... + 11831.

It is an arithmetic number, because the mean of its divisors is an integer number (2456936).

Almost surely, 238140025 is an apocalyptic number.

38140025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38140025 is a deficient number, since it is larger than the sum of its proper divisors (20826439).

38140025 is a wasteful number, since it uses less digits than its factorization.

38140025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19841 (or 19836 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 38140025 is about 6175.7610867002. The cubic root of 38140025 is about 336.6099823964.

The spelling of 38140025 in words is "thirty-eight million, one hundred forty thousand, twenty-five".

Divisors: 1 5 7 11 25 35 55 77 175 275 385 1925 19813 99065 138691 217943 495325 693455 1089715 1525601 3467275 5448575 7628005 38140025