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38113152 = 2737111289
BaseRepresentation
bin1001000101100…
…0111110000000
32122201100102020
42101120332000
534224110102
63440521440
7641646030
oct221307600
978640366
1038113152
111a571a80
1210920280
137b85a7c
1450c18c0
15352cbbc
hex2458f80

38113152 has 128 divisors (see below), whose sum is σ = 126316800. Its totient is φ = 9891840.

The previous prime is 38113123. The next prime is 38113177. The reversal of 38113152 is 25131183.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×381131522 = 2905224710750208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28924 + ... + 30212.

It is an arithmetic number, because the mean of its divisors is an integer number (986850).

Almost surely, 238113152 is an apocalyptic number.

38113152 is a gapful number since it is divisible by the number (32) 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 38113152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63158400).

38113152 is an abundant number, since it is smaller than the sum of its proper divisors (88203648).

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

38113152 is a wasteful number, since it uses less digits than its factorization.

38113152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324 (or 1312 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 38113152 is about 6173.5850200674. The cubic root of 38113152 is about 336.5309067151.

It can be divided in two parts, 381131 and 52, that added together give a palindrome (381183).

The spelling of 38113152 in words is "thirty-eight million, one hundred thirteen thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 56 64 66 77 84 88 96 112 128 132 154 168 176 192 224 231 264 308 336 352 384 448 462 528 616 672 704 896 924 1056 1232 1289 1344 1408 1848 2112 2464 2578 2688 3696 3867 4224 4928 5156 7392 7734 9023 9856 10312 14179 14784 15468 18046 20624 27069 28358 29568 30936 36092 41248 42537 54138 56716 61872 72184 82496 85074 99253 108276 113432 123744 144368 164992 170148 198506 216552 226864 247488 288736 297759 340296 397012 433104 453728 494976 577472 595518 680592 794024 866208 907456 1154944 1191036 1361184 1588048 1732416 1814912 2382072 2722368 3176096 3464832 4764144 5444736 6352192 9528288 12704384 19056576 38113152