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38889701 = 371915503
BaseRepresentation
bin1001010001011…
…0100011100101
32201011210122022
42110112203211
534423432301
63505312525
7651362024
oct224264345
981153568
1038889701
111aa52454
1211035745
138098376
1452448bb
153632d1b
hex25168e5

38889701 has 8 divisors (see below), whose sum is σ = 40157184. Its totient is φ = 37633680.

The previous prime is 38889677. The next prime is 38889703. The reversal of 38889701 is 10798883.

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

It is a cyclic number.

It is not a de Polignac number, because 38889701 - 210 = 38888677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38889703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4316 + ... + 9818.

It is an arithmetic number, because the mean of its divisors is an integer number (5019648).

Almost surely, 238889701 is an apocalyptic number.

It is an amenable number.

38889701 is a deficient number, since it is larger than the sum of its proper divisors (1267483).

38889701 is a wasteful number, since it uses less digits than its factorization.

38889701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5731.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 38889701 is about 6236.1607580305. The cubic root of 38889701 is about 338.8011439507.

The spelling of 38889701 in words is "thirty-eight million, eight hundred eighty-nine thousand, seven hundred one".

Divisors: 1 37 191 5503 7067 203611 1051073 38889701