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38052105 = 3571361457
BaseRepresentation
bin1001000100101…
…0000100001001
32122121020200020
42101022010021
534220131410
63435331053
7641303040
oct221120411
978536606
1038052105
111a530123
12108b0a89
137b64050
1450a7557
153519a70
hex244a109

38052105 has 64 divisors (see below), whose sum is σ = 76328448. Its totient is φ = 15759360.

The previous prime is 38052101. The next prime is 38052107. The reversal of 38052105 is 50125083.

It is not a de Polignac number, because 38052105 - 22 = 38052101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38052101) 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, 83037 + ... + 83493.

It is an arithmetic number, because the mean of its divisors is an integer number (1192632).

Almost surely, 238052105 is an apocalyptic number.

38052105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38052105 is an abundant number, since it is smaller than the sum of its proper divisors (38276343).

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

38052105 is a wasteful number, since it uses less digits than its factorization.

38052105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 38052105 is about 6168.6388287855. The cubic root of 38052105 is about 336.3511334198.

Adding to 38052105 its reverse (50125083), we get a palindrome (88177188).

The spelling of 38052105 in words is "thirty-eight million, fifty-two thousand, one hundred five".

Divisors: 1 3 5 7 13 15 21 35 39 61 65 91 105 183 195 273 305 427 455 457 793 915 1281 1365 1371 2135 2285 2379 3199 3965 5551 5941 6405 6855 9597 11895 15995 16653 17823 27755 27877 29705 41587 47985 83265 83631 89115 124761 139385 195139 207935 362401 418155 585417 623805 975695 1087203 1812005 2536807 2927085 5436015 7610421 12684035 38052105