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1114724521 = 4723717543
BaseRepresentation
bin100001001110001…
…0101100010101001
32212200112212120101
41002130111202221
54240332141041
6302340225401
736424000501
oct10234254251
92780485511
101114724521
11522262039
1227139b261
13149c37b11
14a8092a01
1567ce3b31
hex427158a9

1114724521 has 4 divisors (see below), whose sum is σ = 1138442112. Its totient is φ = 1091006932.

The previous prime is 1114724503. The next prime is 1114724531. The reversal of 1114724521 is 1254274111.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1254274111 = 2354533657.

It is a cyclic number.

It is not a de Polignac number, because 1114724521 - 217 = 1114593449 is a prime.

It is a super-2 number, since 2×11147245212 = 2485221515437358882, which contains 22 as substring.

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 1114724521.

It is not an unprimeable number, because it can be changed into a prime (1114724531) 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 3 ways as a sum of consecutive naturals, for example, 11858725 + ... + 11858818.

It is an arithmetic number, because the mean of its divisors is an integer number (284610528).

Almost surely, 21114724521 is an apocalyptic number.

It is an amenable number.

1114724521 is a deficient number, since it is larger than the sum of its proper divisors (23717591).

1114724521 is an equidigital number, since it uses as much as digits as its factorization.

1114724521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23717590.

The product of its digits is 2240, while the sum is 28.

The square root of 1114724521 is about 33387.4904867077. The cubic root of 1114724521 is about 1036.8657242029.

Adding to 1114724521 its reverse (1254274111), we get a palindrome (2368998632).

The spelling of 1114724521 in words is "one billion, one hundred fourteen million, seven hundred twenty-four thousand, five hundred twenty-one".

Divisors: 1 47 23717543 1114724521