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38501057 = 723239137
BaseRepresentation
bin1001001011011…
…1101011000001
32200110001112002
42102313223001
534324013212
63453113345
7645152660
oct222675301
980401462
1038501057
111a807461
1210a88855
137c904ba
145182dd7
1535a7ac2
hex24b7ac1

38501057 has 8 divisors (see below), whose sum is σ = 45914496. Its totient is φ = 31565952.

The previous prime is 38501051. The next prime is 38501059. The reversal of 38501057 is 75010583.

38501057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 38501057 - 24 = 38501041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38501051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119408 + ... + 119729.

It is an arithmetic number, because the mean of its divisors is an integer number (5739312).

Almost surely, 238501057 is an apocalyptic number.

It is an amenable number.

38501057 is a deficient number, since it is larger than the sum of its proper divisors (7413439).

38501057 is a wasteful number, since it uses less digits than its factorization.

38501057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239167.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 38501057 is about 6204.9219978981. The cubic root of 38501057 is about 337.6687609589.

The spelling of 38501057 in words is "thirty-eight million, five hundred one thousand, fifty-seven".

Divisors: 1 7 23 161 239137 1673959 5500151 38501057