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11345020 = 2251793169
BaseRepresentation
bin101011010001…
…110001111100
3210100101102221
4223101301330
510401020040
61043055124
7165300601
oct53216174
923311387
1011345020
116449755
1239714a4
132472b3b
1417146a8
15ee174a
hexad1c7c

11345020 has 24 divisors (see below), whose sum is σ = 23965200. Its totient is φ = 4511232.

The previous prime is 11345017. The next prime is 11345029. The reversal of 11345020 is 2054311.

It is a junction number, because it is equal to n+sod(n) for n = 11344985 and 11345003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11345029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1996 + ... + 5164.

It is an arithmetic number, because the mean of its divisors is an integer number (998550).

Almost surely, 211345020 is an apocalyptic number.

11345020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11345020 is an abundant number, since it is smaller than the sum of its proper divisors (12620180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11345020 is a wasteful number, since it uses less digits than its factorization.

11345020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357 (or 3355 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 11345020 is about 3368.2369275335. The cubic root of 11345020 is about 224.6993185243.

Adding to 11345020 its reverse (2054311), we get a palindrome (13399331).

The spelling of 11345020 in words is "eleven million, three hundred forty-five thousand, twenty".

Divisors: 1 2 4 5 10 20 179 358 716 895 1790 3169 3580 6338 12676 15845 31690 63380 567251 1134502 2269004 2836255 5672510 11345020