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20414375 = 5489367
BaseRepresentation
bin100110111011…
…1111110100111
31102102011020222
41031313332213
520211230000
62005314555
7335343062
oct115677647
942364228
1020414375
1110583693
126a05a5b
1342c9c17
1429d58d9
151bd3a85
hex1377fa7

20414375 has 20 divisors (see below), whose sum is σ = 25866720. Its totient is φ = 16104000.

The previous prime is 20414371. The next prime is 20414389. The reversal of 20414375 is 57341402.

It is not a de Polignac number, because 20414375 - 22 = 20414371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20414371) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55442 + ... + 55808.

It is an arithmetic number, because the mean of its divisors is an integer number (1293336).

Almost surely, 220414375 is an apocalyptic number.

20414375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20414375 is a deficient number, since it is larger than the sum of its proper divisors (5452345).

20414375 is an frugal number, since it uses more digits than its factorization.

20414375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 20414375 is about 4518.2269752636. The cubic root of 20414375 is about 273.3036065563.

Adding to 20414375 its reverse (57341402), we get a palindrome (77755777).

The spelling of 20414375 in words is "twenty million, four hundred fourteen thousand, three hundred seventy-five".

Divisors: 1 5 25 89 125 367 445 625 1835 2225 9175 11125 32663 45875 55625 163315 229375 816575 4082875 20414375