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39930539 = 116159509
BaseRepresentation
bin1001100001010…
…0101010101011
32210010200101212
42120110222223
540210234124
63543503335
7663255365
oct230245253
983120355
1039930539
11205a3450
1211457b4b
13837104c
145435d35
15378b40e
hex2614aab

39930539 has 8 divisors (see below), whose sum is σ = 44275440. Its totient is φ = 35704800.

The previous prime is 39930529. The next prime is 39930557. The reversal of 39930539 is 93503993.

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 39930539 - 24 = 39930523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39930496 and 39930505.

It is not an unprimeable number, because it can be changed into a prime (39930529) 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, 29084 + ... + 30425.

It is an arithmetic number, because the mean of its divisors is an integer number (5534430).

Almost surely, 239930539 is an apocalyptic number.

39930539 is a deficient number, since it is larger than the sum of its proper divisors (4344901).

39930539 is a wasteful number, since it uses less digits than its factorization.

39930539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59581.

The product of its (nonzero) digits is 98415, while the sum is 41.

The square root of 39930539 is about 6319.0615600736. The cubic root of 39930539 is about 341.7971135712.

The spelling of 39930539 in words is "thirty-nine million, nine hundred thirty thousand, five hundred thirty-nine".

Divisors: 1 11 61 671 59509 654599 3630049 39930539