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38140032 = 273722027
BaseRepresentation
bin1001000101111…
…1100010000000
32122202201021210
42101133202000
534230440112
63441250120
7642120300
oct221374200
978681253
1038140032
111a590197
1210933940
137b95088
1450cb600
153535b3c
hex245f880

38140032 has 96 divisors (see below), whose sum is σ = 117907920. Its totient is φ = 10891776.

The previous prime is 38140031. The next prime is 38140051. The reversal of 38140032 is 23004183.

It is a happy number.

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

It is a super-2 number, since 2×381400322 = 2909324081922048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 38139990 and 38140008.

It is not an unprimeable number, because it can be changed into a prime (38140031) 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, 17803 + ... + 19829.

Almost surely, 238140032 is an apocalyptic number.

38140032 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 38140032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58953960).

38140032 is an abundant number, since it is smaller than the sum of its proper divisors (79767888).

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

38140032 is a wasteful number, since it uses less digits than its factorization.

38140032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058 (or 2039 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 38140032 is about 6175.7616534319. The cubic root of 38140032 is about 336.6100029896.

The spelling of 38140032 in words is "thirty-eight million, one hundred forty thousand, thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 128 147 168 192 196 224 294 336 384 392 448 588 672 784 896 1176 1344 1568 2027 2352 2688 3136 4054 4704 6081 6272 8108 9408 12162 14189 16216 18816 24324 28378 32432 42567 48648 56756 64864 85134 97296 99323 113512 129728 170268 194592 198646 227024 259456 297969 340536 389184 397292 454048 595938 681072 778368 794584 908096 1191876 1362144 1589168 1816192 2383752 2724288 3178336 4767504 5448576 6356672 9535008 12713344 19070016 38140032