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11420415 = 325253787
BaseRepresentation
bin101011100100…
…001011111111
3210111012212100
4223210023333
510410423130
61044440143
7166033446
oct53441377
923435770
1011420415
1164a0366
1239a9053
13249b256
141733d5d
151008c60
hexae42ff

11420415 has 12 divisors (see below), whose sum is σ = 19795464. Its totient is φ = 6090864.

The previous prime is 11420401. The next prime is 11420417. The reversal of 11420415 is 51402411.

It is not a de Polignac number, because 11420415 - 211 = 11418367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126849 + ... + 126938.

It is an arithmetic number, because the mean of its divisors is an integer number (1649622).

Almost surely, 211420415 is an apocalyptic number.

11420415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11420415 is a deficient number, since it is larger than the sum of its proper divisors (8375049).

11420415 is a wasteful number, since it uses less digits than its factorization.

11420415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253798 (or 253795 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 11420415 is about 3379.4104515433. The cubic root of 11420415 is about 225.1959774002.

Adding to 11420415 its reverse (51402411), we get a palindrome (62822826).

The spelling of 11420415 in words is "eleven million, four hundred twenty thousand, four hundred fifteen".

Divisors: 1 3 5 9 15 45 253787 761361 1268935 2284083 3806805 11420415