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38740529 = 151125639
BaseRepresentation
bin1001001111001…
…0001000110001
32200220020000102
42103302020301
534404144104
63502202145
7650201102
oct223621061
980806012
1038740529
111a960373
1210b83355
1380454b9
1452063a9
153603a1e
hex24f2231

38740529 has 4 divisors (see below), whose sum is σ = 38767680. Its totient is φ = 38713380.

The previous prime is 38740523. The next prime is 38740547. The reversal of 38740529 is 92504783.

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.

It is a cyclic number.

It is not a de Polignac number, because 38740529 - 212 = 38736433 is a prime.

It is a super-3 number, since 3×387405293 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38740492 and 38740501.

It is not an unprimeable number, because it can be changed into a prime (38740523) 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 3 ways as a sum of consecutive naturals, for example, 11309 + ... + 14330.

It is an arithmetic number, because the mean of its divisors is an integer number (9691920).

Almost surely, 238740529 is an apocalyptic number.

It is an amenable number.

38740529 is a deficient number, since it is larger than the sum of its proper divisors (27151).

38740529 is a wasteful number, since it uses less digits than its factorization.

38740529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27150.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 38740529 is about 6224.1890234793. The cubic root of 38740529 is about 338.3674009930.

The spelling of 38740529 in words is "thirty-eight million, seven hundred forty thousand, five hundred twenty-nine".

Divisors: 1 1511 25639 38740529