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252123000 = 23353312711
BaseRepresentation
bin11110000011100…
…01011101111000
3122120102011201220
433001301131320
51004020414000
641003512040
76151003323
oct1701613570
9576364656
10252123000
1111a353818
1270528620
1340306b0c
14256ad7ba
15172031a0
hexf071778

252123000 has 128 divisors (see below), whose sum is σ = 812298240. Its totient is φ = 65040000.

The previous prime is 252122977. The next prime is 252123019. The reversal of 252123000 is 321252.

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

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, 91645 + ... + 94355.

It is an arithmetic number, because the mean of its divisors is an integer number (6346080).

Almost surely, 2252123000 is an apocalyptic number.

252123000 is a gapful number since it is divisible by the number (20) 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 252123000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406149120).

252123000 is an abundant number, since it is smaller than the sum of its proper divisors (560175240).

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

252123000 is a wasteful number, since it uses less digits than its factorization.

252123000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766 (or 2752 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 252123000 is about 15878.3815296144. The cubic root of 252123000 is about 631.7387092183.

Adding to 252123000 its reverse (321252), we get a palindrome (252444252).

The spelling of 252123000 in words is "two hundred fifty-two million, one hundred twenty-three thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 31 40 50 60 62 75 93 100 120 124 125 150 155 186 200 248 250 300 310 372 375 465 500 600 620 744 750 775 930 1000 1240 1500 1550 1860 2325 2711 3000 3100 3720 3875 4650 5422 6200 7750 8133 9300 10844 11625 13555 15500 16266 18600 21688 23250 27110 31000 32532 40665 46500 54220 65064 67775 81330 84041 93000 108440 135550 162660 168082 203325 252123 271100 325320 336164 338875 406650 420205 504246 542200 672328 677750 813300 840410 1008492 1016625 1260615 1355500 1626600 1680820 2016984 2033250 2101025 2521230 2711000 3361640 4066500 4202050 5042460 6303075 8133000 8404100 10084920 10505125 12606150 16808200 21010250 25212300 31515375 42020500 50424600 63030750 84041000 126061500 252123000