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11242515 = 352332587
BaseRepresentation
bin101010111000…
…110000010011
3210011011211110
4222320300103
510334230030
61040544403
7164363004
oct52706023
923134743
1011242515
116389739
123922103
13243829b
1416c91ab
15ec11b0
hexab8c13

11242515 has 16 divisors (see below), whose sum is σ = 18770688. Its totient is φ = 5735136.

The previous prime is 11242507. The next prime is 11242523. The reversal of 11242515 is 51524211.

It is an interprime number because it is at equal distance from previous prime (11242507) and next prime (11242523).

It is not a de Polignac number, because 11242515 - 23 = 11242507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11242491 and 11242500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15949 + ... + 16638.

It is an arithmetic number, because the mean of its divisors is an integer number (1173168).

Almost surely, 211242515 is an apocalyptic number.

11242515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11242515 is a deficient number, since it is larger than the sum of its proper divisors (7528173).

11242515 is a wasteful number, since it uses less digits than its factorization.

11242515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32618.

The product of its digits is 400, while the sum is 21.

The square root of 11242515 is about 3352.9859826728. The cubic root of 11242515 is about 224.0205325035.

Adding to 11242515 its reverse (51524211), we get a palindrome (62766726).

The spelling of 11242515 in words is "eleven million, two hundred forty-two thousand, five hundred fifteen".

Divisors: 1 3 5 15 23 69 115 345 32587 97761 162935 488805 749501 2248503 3747505 11242515