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20414502 = 2326591721
BaseRepresentation
bin100110111100…
…0000000100110
31102102011102200
41031320000212
520211231002
62005315330
7335343333
oct115700046
942364380
1020414502
1110583799
126a05b46
1342c9cb4
1429d598a
151bd3b1c
hex1378026

20414502 has 24 divisors (see below), whose sum is σ = 44324280. Its totient is φ = 6790560.

The previous prime is 20414473. The next prime is 20414503. The reversal of 20414502 is 20541402.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20414503) 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, 11002 + ... + 12722.

It is an arithmetic number, because the mean of its divisors is an integer number (1846845).

Almost surely, 220414502 is an apocalyptic number.

20414502 is an abundant number, since it is smaller than the sum of its proper divisors (23909778).

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

20414502 is a wasteful number, since it uses less digits than its factorization.

20414502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2388 (or 2385 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 20414502 is about 4518.2410294273. The cubic root of 20414502 is about 273.3041733054.

Adding to 20414502 its reverse (20541402), we get a palindrome (40955904).

It can be divided in two parts, 204 and 14502, that added together give a triangular number (14706 = T171).

The spelling of 20414502 in words is "twenty million, four hundred fourteen thousand, five hundred two".

Divisors: 1 2 3 6 9 18 659 1318 1721 1977 3442 3954 5163 5931 10326 11862 15489 30978 1134139 2268278 3402417 6804834 10207251 20414502