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20114445 = 3513196189
BaseRepresentation
bin100110010111…
…0110000001101
31101211220211110
41030232300031
520122130240
61555042233
7332653461
oct114566015
941756743
1020114445
111039930a
1268a0379
134223550
1429584a1
151b74c80
hex132ec0d

20114445 has 64 divisors (see below), whose sum is σ = 37497600. Its totient is φ = 9123840.

The previous prime is 20114399. The next prime is 20114447. The reversal of 20114445 is 54441102.

It is a happy number.

It is not a de Polignac number, because 20114445 - 27 = 20114317 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20114447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 225961 + ... + 226049.

It is an arithmetic number, because the mean of its divisors is an integer number (585900).

Almost surely, 220114445 is an apocalyptic number.

It is an amenable number.

20114445 is a deficient number, since it is larger than the sum of its proper divisors (17383155).

20114445 is a wasteful number, since it uses less digits than its factorization.

20114445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 20114445 is about 4484.9130426353. The cubic root of 20114445 is about 271.9585297575.

Adding to 20114445 its reverse (54441102), we get a palindrome (74555547).

The spelling of 20114445 in words is "twenty million, one hundred fourteen thousand, four hundred forty-five".

Divisors: 1 3 5 13 15 19 39 57 61 65 89 95 183 195 247 267 285 305 445 741 793 915 1157 1159 1235 1335 1691 2379 3471 3477 3705 3965 5073 5429 5785 5795 8455 11895 15067 16287 17355 17385 21983 25365 27145 45201 65949 70577 75335 81435 103151 109915 211731 226005 309453 329745 352885 515755 1058655 1340963 1547265 4022889 6704815 20114445