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38457925 = 52111091283
BaseRepresentation
bin1001001010110…
…1001001000101
32200100212100121
42102231021011
534321123200
63452141541
7644613142
oct222551105
980325317
1038457925
111a788010
1210a678b1
137c7698c
1451713c9
153599e1a
hex24ad245

38457925 has 24 divisors (see below), whose sum is σ = 52541280. Its totient is φ = 27691200.

The previous prime is 38457901. The next prime is 38457977. The reversal of 38457925 is 52975483.

It is not a de Polignac number, because 38457925 - 211 = 38455877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29334 + ... + 30616.

It is an arithmetic number, because the mean of its divisors is an integer number (2189220).

Almost surely, 238457925 is an apocalyptic number.

It is an amenable number.

38457925 is a deficient number, since it is larger than the sum of its proper divisors (14083355).

38457925 is a wasteful number, since it uses less digits than its factorization.

38457925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413 (or 1408 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The square root of 38457925 is about 6201.4453960347. The cubic root of 38457925 is about 337.5426192178.

The spelling of 38457925 in words is "thirty-eight million, four hundred fifty-seven thousand, nine hundred twenty-five".

Divisors: 1 5 11 25 55 109 275 545 1199 1283 2725 5995 6415 14113 29975 32075 70565 139847 352825 699235 1538317 3496175 7691585 38457925