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39025 = 527223
BaseRepresentation
bin1001100001110001
31222112101
421201301
52222100
6500401
7221530
oct114161
958471
1039025
1127358
121a701
13149bc
1410317
15b86a
hex9871

39025 has 12 divisors (see below), whose sum is σ = 55552. Its totient is φ = 26640.

The previous prime is 39023. The next prime is 39041. The reversal of 39025 is 52093.

It is not a de Polignac number, because 39025 - 21 = 39023 is a prime.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 13.

It is a nialpdrome in base 5 and base 16.

It is a junction number, because it is equal to n+sod(n) for n = 38993 and 39011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64 + ... + 286.

239025 is an apocalyptic number.

39025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

39025 is a deficient number, since it is larger than the sum of its proper divisors (16527).

39025 is a wasteful number, since it uses less digits than its factorization.

39025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 39025 is about 197.5474626514. The cubic root of 39025 is about 33.9193590607.

The spelling of 39025 in words is "thirty-nine thousand, twenty-five".

Divisors: 1 5 7 25 35 175 223 1115 1561 5575 7805 39025