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122000284 = 22716326731
BaseRepresentation
bin1110100010110…
…01001110011100
322111120020221001
413101121032130
5222213002114
620034520044
73010661650
oct721311634
9274506831
10122000284
116295868a
1234a36024
131c377523
14122baa60
15aa9d374
hex745939c

122000284 has 24 divisors (see below), whose sum is σ = 245506688. Its totient is φ = 51963120.

The previous prime is 122000251. The next prime is 122000293. The reversal of 122000284 is 482000221.

122000284 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

122000284 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8802 + ... + 17929.

Almost surely, 2122000284 is an apocalyptic number.

122000284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

122000284 is an abundant number, since it is smaller than the sum of its proper divisors (123506404).

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

122000284 is a wasteful number, since it uses less digits than its factorization.

122000284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26905 (or 26903 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 122000284 is about 11045.3738732557. The cubic root of 122000284 is about 495.9679512331.

The spelling of 122000284 in words is "one hundred twenty-two million, two hundred eighty-four", and thus it is an aban number.

Divisors: 1 2 4 7 14 28 163 326 652 1141 2282 4564 26731 53462 106924 187117 374234 748468 4357153 8714306 17428612 30500071 61000142 122000284