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28934150 = 2527192229
BaseRepresentation
bin110111001100…
…0000000000110
32000110000012012
41232120000012
524401343100
62512054222
7500636060
oct156300006
960400165
1028934150
1115372723
129834372
135cc0acb
143bb2730
152818135
hex1b98006

28934150 has 72 divisors (see below), whose sum is σ = 65196720. Its totient is φ = 9357120.

The previous prime is 28934149. The next prime is 28934179. The reversal of 28934150 is 5143982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 126236 + ... + 126464.

It is an arithmetic number, because the mean of its divisors is an integer number (905510).

Almost surely, 228934150 is an apocalyptic number.

28934150 is an abundant number, since it is smaller than the sum of its proper divisors (36262570).

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

28934150 is a wasteful number, since it uses less digits than its factorization.

28934150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 28934150 is about 5379.0473134190. The cubic root of 28934150 is about 306.9989637344.

The spelling of 28934150 in words is "twenty-eight million, nine hundred thirty-four thousand, one hundred fifty".

Divisors: 1 2 5 7 10 14 19 25 35 38 50 70 95 133 175 190 229 266 350 361 458 475 665 722 950 1145 1330 1603 1805 2290 2527 3206 3325 3610 4351 5054 5725 6650 8015 8702 9025 11450 12635 16030 18050 21755 25270 30457 40075 43510 60914 63175 80150 82669 108775 126350 152285 165338 217550 304570 413345 578683 761425 826690 1157366 1522850 2066725 2893415 4133450 5786830 14467075 28934150