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121422300 = 223522271783
BaseRepresentation
bin1110011110011…
…00000111011100
322110110220002020
413033030013130
5222041003200
620014300140
73003033606
oct717140734
9273426066
10121422300
11625a340a
12347b7650
131c20441c
14121aa176
15a9d6ea0
hex73cc1dc

121422300 has 72 divisors (see below), whose sum is σ = 353060736. Its totient is φ = 32218560.

The previous prime is 121422281. The next prime is 121422341. The reversal of 121422300 is 3224121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 121422300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67209 + ... + 68991.

Almost surely, 2121422300 is an apocalyptic number.

121422300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121422300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176530368).

121422300 is an abundant number, since it is smaller than the sum of its proper divisors (231638436).

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

121422300 is a wasteful number, since it uses less digits than its factorization.

121422300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027 (or 2020 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 121422300 is about 11019.1787352779. The cubic root of 121422300 is about 495.1834846769.

Adding to 121422300 its reverse (3224121), we get a palindrome (124646421).

The spelling of 121422300 in words is "one hundred twenty-one million, four hundred twenty-two thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 227 300 454 681 908 1135 1362 1783 2270 2724 3405 3566 4540 5349 5675 6810 7132 8915 10698 11350 13620 17025 17830 21396 22700 26745 34050 35660 44575 53490 68100 89150 106980 133725 178300 267450 404741 534900 809482 1214223 1618964 2023705 2428446 4047410 4856892 6071115 8094820 10118525 12142230 20237050 24284460 30355575 40474100 60711150 121422300