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1941808 = 241121759
BaseRepresentation
bin111011010000100110000
310122122122211
413122010300
5444114213
6105341504
722335151
oct7320460
93578584
101941808
111106a00
12797894
1352cacb
14387928
1528553d
hex1da130

1941808 has 60 divisors (see below), whose sum is σ = 4452840. Its totient is φ = 816640.

The previous prime is 1941799. The next prime is 1941827. The reversal of 1941808 is 8081491.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1941808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32883 + ... + 32941.

It is an arithmetic number, because the mean of its divisors is an integer number (74214).

21941808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1941808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2226420).

1941808 is an abundant number, since it is smaller than the sum of its proper divisors (2511032).

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

1941808 is a wasteful number, since it uses less digits than its factorization.

1941808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1941808 is about 1393.4877107460. The cubic root of 1941808 is about 124.7581028548.

It can be divided in two parts, 194 and 1808, that added together give a palindrome (2002).

The spelling of 1941808 in words is "one million, nine hundred forty-one thousand, eight hundred eight".

Divisors: 1 2 4 8 11 16 17 22 34 44 59 68 88 118 121 136 176 187 236 242 272 374 472 484 649 748 944 968 1003 1298 1496 1936 2006 2057 2596 2992 4012 4114 5192 7139 8024 8228 10384 11033 14278 16048 16456 22066 28556 32912 44132 57112 88264 114224 121363 176528 242726 485452 970904 1941808