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38378016 = 2533431033
BaseRepresentation
bin1001001001100…
…1101000100000
32200012210202000
42102121220200
534311044031
63450324000
7644131155
oct222315040
980183660
1038378016
111a732a76
1210a29600
137c494b1
14515022c
1535813e6
hex2499a20

38378016 has 96 divisors (see below), whose sum is σ = 114649920. Its totient is φ = 12483072.

The previous prime is 38377987. The next prime is 38378029. The reversal of 38378016 is 61087383.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×383780162 = 2945744224192512, which contains 22 as substring.

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

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, 36636 + ... + 37668.

It is an arithmetic number, because the mean of its divisors is an integer number (1194270).

Almost surely, 238378016 is an apocalyptic number.

38378016 is a gapful number since it is divisible by the number (36) 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 38378016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57324960).

38378016 is an abundant number, since it is smaller than the sum of its proper divisors (76271904).

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

38378016 is a wasteful number, since it uses less digits than its factorization.

38378016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 38378016 is about 6194.9992736077. Note that the first 3 decimals coincide. The cubic root of 38378016 is about 337.3086718038.

The spelling of 38378016 in words is "thirty-eight million, three hundred seventy-eight thousand, sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 43 48 54 72 86 96 108 129 144 172 216 258 288 344 387 432 516 688 774 864 1032 1033 1161 1376 1548 2064 2066 2322 3096 3099 4128 4132 4644 6192 6198 8264 9288 9297 12384 12396 16528 18576 18594 24792 27891 33056 37152 37188 44419 49584 55782 74376 88838 99168 111564 133257 148752 177676 223128 266514 297504 355352 399771 446256 533028 710704 799542 892512 1066056 1199313 1421408 1599084 2132112 2398626 3198168 4264224 4797252 6396336 9594504 12792672 19189008 38378016