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38386525 = 523149531
BaseRepresentation
bin1001001001101…
…1101101011101
32200020020102011
42102123231131
534311332100
63450431221
7644165032
oct222335535
980206364
1038386525
111a739401
1210a32511
137c50328
145153389
153583bba
hex249bb5d

38386525 has 12 divisors (see below), whose sum is σ = 49135744. Its totient is φ = 29718000.

The previous prime is 38386519. The next prime is 38386529. The reversal of 38386525 is 52568383.

It is a happy number.

It is not a de Polignac number, because 38386525 - 223 = 29997917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38386529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23991 + ... + 25540.

Almost surely, 238386525 is an apocalyptic number.

It is an amenable number.

38386525 is a deficient number, since it is larger than the sum of its proper divisors (10749219).

38386525 is a wasteful number, since it uses less digits than its factorization.

38386525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49572 (or 49567 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 38386525 is about 6195.6859991449. The cubic root of 38386525 is about 337.3335988123. Note that the first 3 decimals are identical.

The spelling of 38386525 in words is "thirty-eight million, three hundred eighty-six thousand, five hundred twenty-five".

Divisors: 1 5 25 31 155 775 49531 247655 1238275 1535461 7677305 38386525