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38038900 = 2252834583
BaseRepresentation
bin1001000100011…
…0110101110100
32122120120120011
42101012311310
534214221100
63435150004
7641216404
oct221066564
978516504
1038038900
111a521209
12108a5304
137b5b033
1450a2804
153515bba
hex2446d74

38038900 has 36 divisors (see below), whose sum is σ = 83557152. Its totient is φ = 15028960.

The previous prime is 38038883. The next prime is 38038907. The reversal of 38038900 is 983083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38038907) 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, 6009 + ... + 10591.

It is an arithmetic number, because the mean of its divisors is an integer number (2321032).

Almost surely, 238038900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38038900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41778576).

38038900 is an abundant number, since it is smaller than the sum of its proper divisors (45518252).

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

38038900 is a wasteful number, since it uses less digits than its factorization.

38038900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680 (or 4673 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 38038900 is about 6167.5684025392. The cubic root of 38038900 is about 336.3122215945.

The spelling of 38038900 in words is "thirty-eight million, thirty-eight thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 83 100 166 332 415 830 1660 2075 4150 4583 8300 9166 18332 22915 45830 91660 114575 229150 380389 458300 760778 1521556 1901945 3803890 7607780 9509725 19019450 38038900