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2104246728 = 233329615507
BaseRepresentation
bin111110101101100…
…0100000111001000
312102122111210212000
41331123010013020
513302141343403
6544445151000
7103100542053
oct17533040710
95378453760
102104246728
1198a879791
124a885b460
13276c46b0c
1415d673a9a
15c4b057a3
hex7d6c41c8

2104246728 has 128 divisors (see below), whose sum is σ = 6146928000. Its totient is φ = 666005760.

The previous prime is 2104246717. The next prime is 2104246763. The reversal of 2104246728 is 8276424012.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2104246692 and 2104246701.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379351 + ... + 384857.

It is an arithmetic number, because the mean of its divisors is an integer number (48022875).

Almost surely, 22104246728 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 2104246728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3073464000).

2104246728 is an abundant number, since it is smaller than the sum of its proper divisors (4042681272).

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

2104246728 is a wasteful number, since it uses less digits than its factorization.

2104246728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5612 (or 5602 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 2104246728 is about 45872.0691488841. The cubic root of 2104246728 is about 1281.4418014412.

It can be divided in two parts, 2104 and 246728, that added together give a 5-th power (248832 = 125).

The spelling of 2104246728 in words is "two billion, one hundred four million, two hundred forty-six thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 29 36 54 58 61 72 87 108 116 122 174 183 216 232 244 261 348 366 488 522 549 696 732 783 1044 1098 1464 1566 1647 1769 2088 2196 3132 3294 3538 4392 5307 5507 6264 6588 7076 10614 11014 13176 14152 15921 16521 21228 22028 31842 33042 42456 44056 47763 49563 63684 66084 95526 99126 127368 132168 148689 159703 191052 198252 297378 319406 335927 382104 396504 479109 594756 638812 671854 958218 1007781 1189512 1277624 1343708 1437327 1916436 2015562 2687416 2874654 3023343 3832872 4031124 4311981 5749308 6046686 8062248 8623962 9070029 9741883 11498616 12093372 17247924 18140058 19483766 24186744 29225649 34495848 36280116 38967532 58451298 72560232 77935064 87676947 116902596 175353894 233805192 263030841 350707788 526061682 701415576 1052123364 2104246728