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38108889 = 32713193179
BaseRepresentation
bin1001000101011…
…1111011011001
32122201010120100
42101113323121
534223441024
63440450013
7641630430
oct221277331
978633510
1038108889
111a569855
1210919909
137b83b50
1450c0117
15352b7c9
hex2457ed9

38108889 has 96 divisors (see below), whose sum is σ = 74547200. Its totient is φ = 18195840.

The previous prime is 38108887. The next prime is 38108891. The reversal of 38108889 is 98880183.

It is an interprime number because it is at equal distance from previous prime (38108887) and next prime (38108891).

It is not a de Polignac number, because 38108889 - 21 = 38108887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38108881) 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, 482352 + ... + 482430.

Almost surely, 238108889 is an apocalyptic number.

38108889 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

38108889 is a deficient number, since it is larger than the sum of its proper divisors (36438311).

38108889 is a wasteful number, since it uses less digits than its factorization.

38108889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 38108889 is about 6173.2397491107. The cubic root of 38108889 is about 336.5183591239.

The spelling of 38108889 in words is "thirty-eight million, one hundred eight thousand, eight hundred eighty-nine".

Divisors: 1 3 7 9 13 19 21 31 39 57 63 79 91 93 117 133 171 217 237 247 273 279 399 403 553 589 651 711 741 819 1027 1197 1209 1501 1659 1729 1767 1953 2223 2449 2821 3081 3627 4123 4503 4977 5187 5301 7189 7347 7657 8463 9243 10507 12369 13509 15561 17143 19513 21567 22041 22971 25389 31521 31837 37107 46531 51429 53599 58539 64701 68913 94563 95511 136591 139593 154287 160797 175617 222859 286533 325717 409773 418779 482391 604903 668577 977151 1229319 1814709 2005731 2931453 4234321 5444127 12702963 38108889