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38089764 = 2235149263
BaseRepresentation
bin1001000101001…
…1010000100100
32122200011100000
42101103100210
534222333024
63440221300
7641520606
oct221232044
978604300
1038089764
111a556449
121090a830
137b7822b
1450b7176
153525cc9
hex2453424

38089764 has 72 divisors (see below), whose sum is σ = 100900800. Its totient is φ = 12563424.

The previous prime is 38089763. The next prime is 38089783. The reversal of 38089764 is 46798083.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38089763) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144697 + ... + 144959.

It is an arithmetic number, because the mean of its divisors is an integer number (1401400).

Almost surely, 238089764 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 38089764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50450400).

38089764 is an abundant number, since it is smaller than the sum of its proper divisors (62811036).

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

38089764 is a wasteful number, since it uses less digits than its factorization.

38089764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 38089764 is about 6171.6905301546. The cubic root of 38089764 is about 336.4620556323.

The spelling of 38089764 in words is "thirty-eight million, eighty-nine thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 149 162 243 263 298 324 447 486 526 596 789 894 972 1052 1341 1578 1788 2367 2682 3156 4023 4734 5364 7101 8046 9468 12069 14202 16092 21303 24138 28404 36207 39187 42606 48276 63909 72414 78374 85212 117561 127818 144828 156748 235122 255636 352683 470244 705366 1058049 1410732 2116098 3174147 4232196 6348294 9522441 12696588 19044882 38089764