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28850326 = 2172379467
BaseRepresentation
bin110111000001…
…1100010010110
32000021202012121
41232003202112
524341202301
62510210154
7500136511
oct156034226
960252177
1028850326
111531574a
1297b395a
135c918cb
143b8dd78
1527ed3a1
hex1b83896

28850326 has 32 divisors (see below), whose sum is σ = 48522240. Its totient is φ = 12794496.

The previous prime is 28850323. The next prime is 28850333. The reversal of 28850326 is 62305882.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 28850291 and 28850300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28850321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61545 + ... + 62011.

It is an arithmetic number, because the mean of its divisors is an integer number (1516320).

Almost surely, 228850326 is an apocalyptic number.

28850326 is the 2686-th decagonal number.

28850326 is a deficient number, since it is larger than the sum of its proper divisors (19671914).

28850326 is a wasteful number, since it uses less digits than its factorization.

28850326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 28850326 is about 5371.2499476379. The cubic root of 28850326 is about 306.7022120634.

The spelling of 28850326 in words is "twenty-eight million, eight hundred fifty thousand, three hundred twenty-six".

Divisors: 1 2 17 23 34 46 79 158 391 467 782 934 1343 1817 2686 3634 7939 10741 15878 21482 30889 36893 61778 73786 182597 365194 627181 848539 1254362 1697078 14425163 28850326