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38331072 = 2632135119
BaseRepresentation
bin1001001000111…
…0001011000000
32200010102100100
42102032023000
534303043242
63445322400
7643544253
oct222161300
980112310
1038331072
111a70077a
1210a06400
137c31010
14513b09a
15357254c
hex248e2c0

38331072 has 84 divisors (see below), whose sum is σ = 118343680. Its totient is φ = 11791872.

The previous prime is 38331047. The next prime is 38331077. The reversal of 38331072 is 27013383.

It is not an unprimeable number, because it can be changed into a prime (38331077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4929 + ... + 10047.

Almost surely, 238331072 is an apocalyptic number.

38331072 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 38331072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59171840).

38331072 is an abundant number, since it is smaller than the sum of its proper divisors (80012608).

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

38331072 is a wasteful number, since it uses less digits than its factorization.

38331072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5150 (or 5137 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 38331072 is about 6191.2092518344. The cubic root of 38331072 is about 337.1710836684.

The spelling of 38331072 in words is "thirty-eight million, three hundred thirty-one thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 144 156 192 208 234 288 312 416 468 576 624 832 936 1248 1872 2496 3744 5119 7488 10238 15357 20476 30714 40952 46071 61428 66547 81904 92142 122856 133094 163808 184284 199641 245712 266188 327616 368568 399282 491424 532376 598923 737136 798564 982848 1064752 1197846 1474272 1597128 2129504 2395692 2948544 3194256 4259008 4791384 6388512 9582768 12777024 19165536 38331072