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12422750 = 253173779
BaseRepresentation
bin101111011000…
…111001011110
3212101010210212
4233120321132
511140012000
61122132422
7210406634
oct57307136
925333725
1012422750
11701543a
1241b1112
13275c552
141915354
151155c35
hexbd8e5e

12422750 has 64 divisors (see below), whose sum is σ = 25608960. Its totient is φ = 4492800.

The previous prime is 12422747. The next prime is 12422777. The reversal of 12422750 is 5722421.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157211 + ... + 157289.

It is an arithmetic number, because the mean of its divisors is an integer number (400140).

Almost surely, 212422750 is an apocalyptic number.

12422750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12422750 is an abundant number, since it is smaller than the sum of its proper divisors (13186210).

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

12422750 is a wasteful number, since it uses less digits than its factorization.

12422750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 12422750 is about 3524.5921749899. The cubic root of 12422750 is about 231.6003697831.

The spelling of 12422750 in words is "twelve million, four hundred twenty-two thousand, seven hundred fifty".

Divisors: 1 2 5 10 17 25 34 37 50 74 79 85 125 158 170 185 250 370 395 425 629 790 850 925 1258 1343 1850 1975 2125 2686 2923 3145 3950 4250 4625 5846 6290 6715 9250 9875 13430 14615 15725 19750 29230 31450 33575 49691 67150 73075 78625 99382 146150 157250 167875 248455 335750 365375 496910 730750 1242275 2484550 6211375 12422750