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11452013 = 29394897
BaseRepresentation
bin101011101011…
…111001101101
3210112211012122
4223223321231
510412431023
61045242325
7166224536
oct53537155
923484178
1011452013
116512081
123a033a5
1324ac751
14174168d
1510132c8
hexaebe6d

11452013 has 4 divisors (see below), whose sum is σ = 11846940. Its totient is φ = 11057088.

The previous prime is 11451977. The next prime is 11452027. The reversal of 11452013 is 31025411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2319529 + 9132484 = 1523^2 + 3022^2 .

It is a cyclic number.

It is not a de Polignac number, because 11452013 - 26 = 11451949 is a prime.

It is a super-2 number, since 2×114520132 = 262297203504338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11451982 and 11452000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11452043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197420 + ... + 197477.

It is an arithmetic number, because the mean of its divisors is an integer number (2961735).

Almost surely, 211452013 is an apocalyptic number.

It is an amenable number.

11452013 is a deficient number, since it is larger than the sum of its proper divisors (394927).

11452013 is an equidigital number, since it uses as much as digits as its factorization.

11452013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394926.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 11452013 is about 3384.0822980536. The cubic root of 11452013 is about 225.4034768635.

Adding to 11452013 its reverse (31025411), we get a palindrome (42477424).

The spelling of 11452013 in words is "eleven million, four hundred fifty-two thousand, thirteen".

Divisors: 1 29 394897 11452013