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11525213 = 715710487
BaseRepresentation
bin101011111101…
…110001011101
3210200112121202
4223331301131
510422301323
61051005245
7166651130
oct53756135
923615552
1011525213
116562077
123a39825
132506b6b
141760217
151029d28
hexafdc5d

11525213 has 8 divisors (see below), whose sum is σ = 13256832. Its totient is φ = 9814896.

The previous prime is 11525207. The next prime is 11525257. The reversal of 11525213 is 31252511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11525213 - 24 = 11525197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11525263) 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, 4145 + ... + 6342.

It is an arithmetic number, because the mean of its divisors is an integer number (1657104).

Almost surely, 211525213 is an apocalyptic number.

It is an amenable number.

11525213 is a deficient number, since it is larger than the sum of its proper divisors (1731619).

11525213 is a wasteful number, since it uses less digits than its factorization.

11525213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10651.

The product of its digits is 300, while the sum is 20.

The square root of 11525213 is about 3394.8804102648. The cubic root of 11525213 is about 225.8827086054.

Adding to 11525213 its reverse (31252511), we get a palindrome (42777724).

The spelling of 11525213 in words is "eleven million, five hundred twenty-five thousand, two hundred thirteen".

Divisors: 1 7 157 1099 10487 73409 1646459 11525213