Search a number
-
+
15042109 = 591092339
BaseRepresentation
bin111001011000…
…011000111101
31001022012220011
4321120120331
512322321414
61254223221
7241566355
oct71303075
931265804
1015042109
1185443a5
125054b11
133168874
141dd7b65
1514c1dc4
hexe5863d

15042109 has 8 divisors (see below), whose sum is σ = 15444000. Its totient is φ = 14645232.

The previous prime is 15042101. The next prime is 15042113. The reversal of 15042109 is 90124051.

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 15042109 - 23 = 15042101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15042109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15042101) 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, 5262 + ... + 7600.

It is an arithmetic number, because the mean of its divisors is an integer number (1930500).

Almost surely, 215042109 is an apocalyptic number.

It is an amenable number.

15042109 is a deficient number, since it is larger than the sum of its proper divisors (401891).

15042109 is a wasteful number, since it uses less digits than its factorization.

15042109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 15042109 is about 3878.4157848276. The cubic root of 15042109 is about 246.8517689832.

It can be divided in two parts, 15042 and 109, that added together give a palindrome (15151).

The spelling of 15042109 in words is "fifteen million, forty-two thousand, one hundred nine".

Divisors: 1 59 109 2339 6431 138001 254951 15042109