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38117268 = 22327192419
BaseRepresentation
bin1001000101100…
…1111110010100
32122201120001200
42101121332110
534224223033
63440552500
7641664030
oct221317624
978646050
1038117268
111a575082
1210922730
137b878c7
1450c31c0
15352e013
hex2459f94

38117268 has 108 divisors (see below), whose sum is σ = 116494560. Its totient is φ = 10292832.

The previous prime is 38117251. The next prime is 38117269. The reversal of 38117268 is 86271183.

38117268 is a `hidden beast` number, since 381 + 17 + 268 = 666.

38117268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×381172682 = 2905852239567648, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38117269) 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 35 ways as a sum of consecutive naturals, for example, 90763 + ... + 91181.

Almost surely, 238117268 is an apocalyptic number.

38117268 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38117268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58247280).

38117268 is an abundant number, since it is smaller than the sum of its proper divisors (78377292).

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

38117268 is a wasteful number, since it uses less digits than its factorization.

38117268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 450 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 38117268 is about 6173.9183668073. The cubic root of 38117268 is about 336.5430207429.

The spelling of 38117268 in words is "thirty-eight million, one hundred seventeen thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 19 21 28 36 38 42 57 63 76 84 114 126 133 171 228 252 266 342 361 399 419 532 684 722 798 838 1083 1197 1257 1444 1596 1676 2166 2394 2514 2527 2933 3249 3771 4332 4788 5028 5054 5866 6498 7542 7581 7961 8799 10108 11732 12996 15084 15162 15922 17598 22743 23883 26397 30324 31844 35196 45486 47766 52794 55727 71649 90972 95532 105588 111454 143298 151259 167181 222908 286596 302518 334362 453777 501543 605036 668724 907554 1003086 1058813 1361331 1815108 2006172 2117626 2722662 3176439 4235252 5445324 6352878 9529317 12705756 19058634 38117268