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11252215 = 513172599
BaseRepresentation
bin101010111011…
…000111110111
3210011200010201
4222323013313
510340032330
61041101331
7164433202
oct52730767
923150121
1011252215
116395a57
123927847
13243c820
1416cc939
15ec3eca
hexabb1f7

11252215 has 24 divisors (see below), whose sum is σ = 15472800. Its totient is φ = 7807488.

The previous prime is 11252209. The next prime is 11252239. The reversal of 11252215 is 51225211.

It is not a de Polignac number, because 11252215 - 25 = 11252183 is a prime.

It is a super-2 number, since 2×112522152 = 253224684812450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11252192 and 11252201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18486 + ... + 19084.

It is an arithmetic number, because the mean of its divisors is an integer number (644700).

Almost surely, 211252215 is an apocalyptic number.

11252215 is a deficient number, since it is larger than the sum of its proper divisors (4220585).

11252215 is a wasteful number, since it uses less digits than its factorization.

11252215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 634 counting only the distinct ones).

The product of its digits is 200, while the sum is 19.

The square root of 11252215 is about 3354.4321427031. The cubic root of 11252215 is about 224.0849420095.

Adding to 11252215 its reverse (51225211), we get a palindrome (62477426).

The spelling of 11252215 in words is "eleven million, two hundred fifty-two thousand, two hundred fifteen".

Divisors: 1 5 13 17 65 85 221 289 599 1105 1445 2995 3757 7787 10183 18785 38935 50915 132379 173111 661895 865555 2250443 11252215