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38435457 = 319964381
BaseRepresentation
bin1001001010011…
…1101010000001
32200022201112110
42102213222001
534314413312
63451445533
7644460504
oct222475201
980281473
1038435457
111a772145
1210a568a9
137c69698
14516713b
15359343c
hex24a7a81

38435457 has 8 divisors (see below), whose sum is σ = 51505600. Its totient is φ = 25494480.

The previous prime is 38435399. The next prime is 38435459. The reversal of 38435457 is 75453483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38435457 - 26 = 38435393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38435459) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31594 + ... + 32787.

It is an arithmetic number, because the mean of its divisors is an integer number (6438200).

Almost surely, 238435457 is an apocalyptic number.

It is an amenable number.

38435457 is a deficient number, since it is larger than the sum of its proper divisors (13070143).

38435457 is a wasteful number, since it uses less digits than its factorization.

38435457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64583.

The product of its digits is 201600, while the sum is 39.

The square root of 38435457 is about 6199.6336182068. The cubic root of 38435457 is about 337.4768730380.

The spelling of 38435457 in words is "thirty-eight million, four hundred thirty-five thousand, four hundred fifty-seven".

Divisors: 1 3 199 597 64381 193143 12811819 38435457