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39039104 = 271329809
BaseRepresentation
bin1001010011101…
…1000010000000
32201110101120202
42110323002000
534443222404
63512424332
7652553426
oct224730200
981411522
1039039104
1120044725
12110a80a8
13811b380
145283116
15366221e
hex253b080

39039104 has 64 divisors (see below), whose sum is σ = 86751000. Its totient is φ = 17375232.

The previous prime is 39039103. The next prime is 39039131. The reversal of 39039104 is 40193093.

It can be written as a sum of positive squares in 4 ways, for example, as 34199104 + 4840000 = 5848^2 + 2200^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×390391042 = 3048103282245632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (39039103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47852 + ... + 48660.

Almost surely, 239039104 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 39039104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43375500).

39039104 is an abundant number, since it is smaller than the sum of its proper divisors (47711896).

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

39039104 is a wasteful number, since it uses less digits than its factorization.

39039104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 39039104 is about 6248.1280396612. The cubic root of 39039104 is about 339.2344482636.

The spelling of 39039104 in words is "thirty-nine million, thirty-nine thousand, one hundred four".

Divisors: 1 2 4 8 13 16 26 29 32 52 58 64 104 116 128 208 232 377 416 464 754 809 832 928 1508 1618 1664 1856 3016 3236 3712 6032 6472 10517 12064 12944 21034 23461 24128 25888 42068 46922 48256 51776 84136 93844 103552 168272 187688 304993 336544 375376 609986 673088 750752 1219972 1346176 1501504 2439944 3003008 4879888 9759776 19519552 39039104