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38513077 = 50397643
BaseRepresentation
bin1001001011101…
…0100110110101
32200110200000021
42102322212311
534324404302
63453245141
7645233011
oct222724665
980420007
1038513077
111a815499
1210a937b1
137c95b05
145187541
1535ab437
hex24ba9b5

38513077 has 4 divisors (see below), whose sum is σ = 38525760. Its totient is φ = 38500396.

The previous prime is 38513051. The next prime is 38513081. The reversal of 38513077 is 77031583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 38513077 - 211 = 38511029 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 (38513777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1218 + ... + 8860.

It is an arithmetic number, because the mean of its divisors is an integer number (9631440).

Almost surely, 238513077 is an apocalyptic number.

It is an amenable number.

38513077 is a deficient number, since it is larger than the sum of its proper divisors (12683).

38513077 is an equidigital number, since it uses as much as digits as its factorization.

38513077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12682.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 38513077 is about 6205.8905082188. The cubic root of 38513077 is about 337.7038972774.

The spelling of 38513077 in words is "thirty-eight million, five hundred thirteen thousand, seventy-seven".

Divisors: 1 5039 7643 38513077