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38092012 = 22721091783
BaseRepresentation
bin1001000101001…
…1110011101100
32122200021102021
42101103303230
534222421022
63440235524
7641530300
oct221236354
978607367
1038092012
111a558102
121090bba4
137b7926a
1450b7d00
1535267c7
hex2453cec

38092012 has 36 divisors (see below), whose sum is σ = 78299760. Its totient is φ = 16166304.

The previous prime is 38092003. The next prime is 38092013. The reversal of 38092012 is 21029083.

38092012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (38092013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20473 + ... + 22255.

Almost surely, 238092012 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 38092012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39149880).

38092012 is an abundant number, since it is smaller than the sum of its proper divisors (40207748).

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

38092012 is a wasteful number, since it uses less digits than its factorization.

38092012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910 (or 1901 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 38092012 is about 6171.8726493666. The cubic root of 38092012 is about 336.4686746618.

The spelling of 38092012 in words is "thirty-eight million, ninety-two thousand, twelve".

Divisors: 1 2 4 7 14 28 49 98 109 196 218 436 763 1526 1783 3052 3566 5341 7132 10682 12481 21364 24962 49924 87367 174734 194347 349468 388694 777388 1360429 2720858 5441716 9523003 19046006 38092012