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3812445 = 325731319
BaseRepresentation
bin1110100010110001011101
321011200200200
432202301131
51433444240
6213414113
744256000
oct16426135
97150620
103812445
11217438a
12133a339
13a363b0
14713537
15504930
hex3a2c5d

3812445 has 96 divisors (see below), whose sum is σ = 8736000. Its totient is φ = 1524096.

The previous prime is 3812441. The next prime is 3812453. The reversal of 3812445 is 5442183.

It is not a de Polignac number, because 3812445 - 22 = 3812441 is a prime.

Its product of digits (3840) is a multiple of the sum of its prime factors (64).

3812445 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3812441) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 200646 + ... + 200664.

It is an arithmetic number, because the mean of its divisors is an integer number (91000).

Almost surely, 23812445 is an apocalyptic number.

3812445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3812445 is an abundant number, since it is smaller than the sum of its proper divisors (4923555).

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

3812445 is a wasteful number, since it uses less digits than its factorization.

3812445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 47 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 3812445 is about 1952.5483348691. The cubic root of 3812445 is about 156.2192430127.

The spelling of 3812445 in words is "three million, eight hundred twelve thousand, four hundred forty-five".

Divisors: 1 3 5 7 9 13 15 19 21 35 39 45 49 57 63 65 91 95 105 117 133 147 171 195 245 247 273 285 315 343 399 441 455 585 637 665 735 741 819 855 931 1029 1197 1235 1365 1715 1729 1911 1995 2205 2223 2793 3087 3185 3705 4095 4459 4655 5145 5187 5733 5985 6517 8379 8645 9555 11115 12103 13377 13965 15435 15561 19551 22295 25935 28665 32585 36309 40131 41895 58653 60515 66885 77805 84721 97755 108927 181545 200655 254163 293265 423605 544635 762489 1270815 3812445