Search a number
-
+
39341989 = 1937191293
BaseRepresentation
bin1001011000010…
…0111110100101
32202000210001201
42112010332211
540032420424
63523122501
7655254451
oct226047645
982023051
1039341989
1120231245
1211213431
1381c61ab
145321661
1536c1d44
hex2584fa5

39341989 has 16 divisors (see below), whose sum is σ = 42900480. Its totient is φ = 35951040.

The previous prime is 39341977. The next prime is 39341999. The reversal of 39341989 is 98914393.

39341989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39341989 - 223 = 30953381 is a prime.

It is a super-2 number, since 2×393419892 = 3095584196952242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39341969) 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 15 ways as a sum of consecutive naturals, for example, 134127 + ... + 134419.

It is an arithmetic number, because the mean of its divisors is an integer number (2681280).

Almost surely, 239341989 is an apocalyptic number.

It is an amenable number.

39341989 is a deficient number, since it is larger than the sum of its proper divisors (3558491).

39341989 is a wasteful number, since it uses less digits than its factorization.

39341989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540.

The product of its digits is 209952, while the sum is 46.

The square root of 39341989 is about 6272.3192680220. The cubic root of 39341989 is about 340.1095062492.

The spelling of 39341989 in words is "thirty-nine million, three hundred forty-one thousand, nine hundred eighty-nine".

Divisors: 1 19 37 191 293 703 3629 5567 7067 10841 55963 134273 205979 1063297 2070631 39341989