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38383111 = 132383593
BaseRepresentation
bin1001001001101…
…0111000000111
32200020001201201
42102122320013
534311224421
63450403331
7644152054
oct222327007
980201651
1038383111
111a736888
1210a30547
137c4b900
14515202b
153582b91
hex249ae07

38383111 has 12 divisors (see below), whose sum is σ = 41741568. Its totient is φ = 35278464.

The previous prime is 38383109. The next prime is 38383117. The reversal of 38383111 is 11138383.

It is not a de Polignac number, because 38383111 - 21 = 38383109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38383111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38383117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64431 + ... + 65023.

It is an arithmetic number, because the mean of its divisors is an integer number (3478464).

Almost surely, 238383111 is an apocalyptic number.

38383111 is a deficient number, since it is larger than the sum of its proper divisors (3358457).

38383111 is a wasteful number, since it uses less digits than its factorization.

38383111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 989 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 38383111 is about 6195.4104787334. The cubic root of 38383111 is about 337.3235979847.

The spelling of 38383111 in words is "thirty-eight million, three hundred eighty-three thousand, one hundred eleven".

Divisors: 1 13 169 383 593 4979 7709 64727 100217 227119 2952547 38383111