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38998908 = 22341347197
BaseRepresentation
bin1001010011000…
…1001101111100
32201101100110000
42110301031330
534440431113
63511514300
7652325304
oct224611574
981340400
1038998908
1120017503
1211088990
138105ca0
145272604
153655373
hex253137c

38998908 has 120 divisors (see below), whose sum is σ = 112698432. Its totient is φ = 11684736.

The previous prime is 38998907. The next prime is 38998933. The reversal of 38998908 is 80989983.

38998908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38998907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 197866 + ... + 198062.

Almost surely, 238998908 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 38998908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56349216).

38998908 is an abundant number, since it is smaller than the sum of its proper divisors (73699524).

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

38998908 is a wasteful number, since it uses less digits than its factorization.

38998908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 38998908 is about 6244.9105678144. The cubic root of 38998908 is about 339.1179791412.

The spelling of 38998908 in words is "thirty-eight million, nine hundred ninety-eight thousand, nine hundred eight".

Divisors: 1 2 3 4 6 9 12 13 18 26 27 36 39 47 52 54 78 81 94 108 117 141 156 162 188 197 234 282 324 351 394 423 468 564 591 611 702 788 846 1053 1182 1222 1269 1404 1692 1773 1833 2106 2364 2444 2538 2561 3546 3666 3807 4212 5076 5122 5319 5499 7092 7332 7614 7683 9259 10244 10638 10998 15228 15366 15957 16497 18518 21276 21996 23049 27777 30732 31914 32994 37036 46098 49491 55554 63828 65988 69147 83331 92196 98982 111108 120367 138294 166662 197964 207441 240734 249993 276588 333324 361101 414882 481468 499986 722202 749979 829764 999972 1083303 1444404 1499958 2166606 2999916 3249909 4333212 6499818 9749727 12999636 19499454 38998908