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15114421 = 713191637
BaseRepresentation
bin111001101010…
…000010110101
31001102220002101
4321222002311
512332130141
61255542101
7242320240
oct71520265
931386071
1015114421
118593763
12508a931
13319275a
142016257
1514d8531
hexe6a0b5

15114421 has 8 divisors (see below), whose sum is σ = 17297280. Its totient is φ = 12937488.

The previous prime is 15114419. The next prime is 15114461. The reversal of 15114421 is 12441151.

15114421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15114421 - 21 = 15114419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15114461) 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, 8415 + ... + 10051.

It is an arithmetic number, because the mean of its divisors is an integer number (2162160).

Almost surely, 215114421 is an apocalyptic number.

It is an amenable number.

15114421 is a deficient number, since it is larger than the sum of its proper divisors (2182859).

15114421 is a wasteful number, since it uses less digits than its factorization.

15114421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963.

The product of its digits is 160, while the sum is 19.

The square root of 15114421 is about 3887.7269708661. The cubic root of 15114421 is about 247.2467006880.

Adding to 15114421 its reverse (12441151), we get a palindrome (27555572).

The spelling of 15114421 in words is "fifteen million, one hundred fourteen thousand, four hundred twenty-one".

Divisors: 1 7 1319 1637 9233 11459 2159203 15114421