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115038768 = 243131931313
BaseRepresentation
bin1101101101101…
…01101000110000
322000110120112010
412312311220300
5213422220033
615225402520
72564545665
oct666655060
9260416463
10115038768
1159a33369
1232639440
131aaaa9a0
14113c7a6c
15a175863
hex6db5a30

115038768 has 160 divisors (see below), whose sum is σ = 348866560. Its totient is φ = 32348160.

The previous prime is 115038701. The next prime is 115038769. The reversal of 115038768 is 867830511.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (115038769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367380 + ... + 367692.

It is an arithmetic number, because the mean of its divisors is an integer number (2180416).

Almost surely, 2115038768 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 115038768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174433280).

115038768 is an abundant number, since it is smaller than the sum of its proper divisors (233827792).

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

115038768 is a wasteful number, since it uses less digits than its factorization.

115038768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 115038768 is about 10725.6127097709. The cubic root of 115038768 is about 486.3490523666.

The spelling of 115038768 in words is "one hundred fifteen million, thirty-eight thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 19 24 26 31 38 39 48 52 57 62 76 78 93 104 114 124 152 156 186 208 228 247 248 304 312 313 372 403 456 494 496 589 624 626 741 744 806 912 939 988 1178 1209 1252 1482 1488 1612 1767 1878 1976 2356 2418 2504 2964 3224 3534 3756 3952 4069 4712 4836 5008 5928 5947 6448 7068 7512 7657 8138 9424 9672 9703 11856 11894 12207 14136 15024 15314 16276 17841 19344 19406 22971 23788 24414 28272 29109 30628 32552 35682 38812 45942 47576 48828 58218 61256 65104 71364 77311 77624 91884 95152 97656 116436 122512 126139 142728 154622 155248 183768 184357 195312 231933 232872 252278 285456 309244 367536 368714 378417 463866 465744 504556 553071 618488 737428 756834 927732 1009112 1106142 1236976 1474856 1513668 1855464 2018224 2212284 2396641 2949712 3027336 3710928 4424568 4793282 6054672 7189923 8849136 9586564 14379846 19173128 28759692 38346256 57519384 115038768