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28059010 = 2571721973
BaseRepresentation
bin110101100001…
…0010110000010
31221210112201121
41223002112002
524140342020
62441222454
7460332460
oct153022602
957715647
1028059010
1114925171
129491a2a
135a75685
143a25830
1526e3baa
hex1ac2582

28059010 has 96 divisors (see below), whose sum is σ = 65427840. Its totient is φ = 8460288.

The previous prime is 28059007. The next prime is 28059019. The reversal of 28059010 is 1095082.

It is not an unprimeable number, because it can be changed into a prime (28059019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 384334 + ... + 384406.

It is an arithmetic number, because the mean of its divisors is an integer number (681540).

Almost surely, 228059010 is an apocalyptic number.

28059010 is an abundant number, since it is smaller than the sum of its proper divisors (37368830).

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

28059010 is a wasteful number, since it uses less digits than its factorization.

28059010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 28059010 is about 5297.0756082956. The cubic root of 28059010 is about 303.8720678805.

The spelling of 28059010 in words is "twenty-eight million, fifty-nine thousand, ten".

Divisors: 1 2 5 7 10 14 17 19 34 35 38 70 73 85 95 119 133 146 170 190 238 266 289 323 365 511 578 595 646 665 730 1022 1190 1241 1330 1387 1445 1615 2023 2261 2482 2555 2774 2890 3230 4046 4522 5110 5491 6205 6935 8687 9709 10115 10982 11305 12410 13870 17374 19418 20230 21097 22610 23579 27455 38437 42194 43435 47158 48545 54910 76874 86870 97090 105485 117895 147679 165053 192185 210970 235790 295358 330106 384370 400843 738395 801686 825265 1476790 1650530 2004215 2805901 4008430 5611802 14029505 28059010