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383628408 = 23323694979
BaseRepresentation
bin10110110111011…
…011010001111000
3222201212100020120
4112313123101320
51241202102113
6102022253240
712335534112
oct2667332170
9881770216
10383628408
11187603779
12a8587220
136162b877
1438d423b2
1523a2ca23
hex16ddb478

383628408 has 32 divisors (see below), whose sum is σ = 1000771200. Its totient is φ = 122316128.

The previous prime is 383628397. The next prime is 383628437. The reversal of 383628408 is 804826383.

It is a super-2 number, since 2×3836284082 = 294341510849228928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 383628408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346938 + ... + 348041.

It is an arithmetic number, because the mean of its divisors is an integer number (31274100).

Almost surely, 2383628408 is an apocalyptic number.

It is an amenable number.

383628408 is an abundant number, since it is smaller than the sum of its proper divisors (617142792).

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

383628408 is a wasteful number, since it uses less digits than its factorization.

383628408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695011 (or 695007 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 383628408 is about 19586.4342849841. The cubic root of 383628408 is about 726.6137074816.

The spelling of 383628408 in words is "three hundred eighty-three million, six hundred twenty-eight thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 694979 1389958 2084937 2779916 4169874 5559832 8339748 15984517 16679496 31969034 47953551 63938068 95907102 127876136 191814204 383628408