Search a number
-
+
122000285 = 5113759951
BaseRepresentation
bin1110100010110…
…01001110011101
322111120020221002
413101121032131
5222213002120
620034520045
73010661651
oct721311635
9274506832
10122000285
1162958690
1234a36025
131c377524
14122baa61
15aa9d375
hex745939d

122000285 has 16 divisors (see below), whose sum is σ = 164028672. Its totient is φ = 86328000.

The previous prime is 122000251. The next prime is 122000293. The reversal of 122000285 is 582000221.

It is not a de Polignac number, because 122000285 - 28 = 122000029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27941 + ... + 32010.

It is an arithmetic number, because the mean of its divisors is an integer number (10251792).

Almost surely, 2122000285 is an apocalyptic number.

It is an amenable number.

122000285 is a deficient number, since it is larger than the sum of its proper divisors (42028387).

122000285 is a wasteful number, since it uses less digits than its factorization.

122000285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60004.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 122000285 is about 11045.3739185235. The cubic root of 122000285 is about 495.9679525882.

The spelling of 122000285 in words is "one hundred twenty-two million, two hundred eighty-five", and thus it is an aban number.

Divisors: 1 5 11 37 55 185 407 2035 59951 299755 659461 2218187 3297305 11090935 24400057 122000285