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230902400 = 2752591223
BaseRepresentation
bin11011100001101…
…00101010000000
3121002111001112202
431300310222000
5433102334100
634525012332
75502431561
oct1560645200
9532431482
10230902400
1110937a433
12653b40a8
1338ab6c51
1422948168
15154107d5
hexdc34a80

230902400 has 96 divisors (see below), whose sum is σ = 580543200. Its totient is φ = 90721280.

The previous prime is 230902391. The next prime is 230902409. The reversal of 230902400 is 4209032.

230902400 = 1182 + 1192 + ... + 8852.

It is an interprime number because it is at equal distance from previous prime (230902391) and next prime (230902409).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230902409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188189 + ... + 189411.

It is an arithmetic number, because the mean of its divisors is an integer number (6047325).

Almost surely, 2230902400 is an apocalyptic number.

230902400 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 230902400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290271600).

230902400 is an abundant number, since it is smaller than the sum of its proper divisors (349640800).

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

230902400 is a wasteful number, since it uses less digits than its factorization.

230902400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306 (or 1289 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 230902400 is about 15195.4730100777. The cubic root of 230902400 is about 613.4928171693.

The spelling of 230902400 in words is "two hundred thirty million, nine hundred two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 59 64 80 100 118 128 160 200 236 295 320 400 472 590 640 800 944 1180 1223 1475 1600 1888 2360 2446 2950 3200 3776 4720 4892 5900 6115 7552 9440 9784 11800 12230 18880 19568 23600 24460 30575 37760 39136 47200 48920 61150 72157 78272 94400 97840 122300 144314 156544 188800 195680 244600 288628 360785 391360 489200 577256 721570 782720 978400 1154512 1443140 1803925 1956800 2309024 2886280 3607850 3913600 4618048 5772560 7215700 9236096 11545120 14431400 23090240 28862800 46180480 57725600 115451200 230902400