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230387200 = 295241439
BaseRepresentation
bin11011011101101…
…10111000000000
3121001111212211021
431232312320000
5432434342300
634505555224
75465154541
oct1556667000
9531455737
10230387200
1110905834a
12651a5b14
13389665b4
14228524c8
151535cd1a
hexdbb6e00

230387200 has 120 divisors (see below), whose sum is σ = 586056240. Its totient is φ = 89702400.

The previous prime is 230387191. The next prime is 230387203. The reversal of 230387200 is 2783032.

It is a happy number.

230387200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230387203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 524581 + ... + 525019.

It is an arithmetic number, because the mean of its divisors is an integer number (4883802).

Almost surely, 2230387200 is an apocalyptic number.

230387200 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 230387200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293028120).

230387200 is an abundant number, since it is smaller than the sum of its proper divisors (355669040).

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

230387200 is an equidigital number, since it uses as much as digits as its factorization.

230387200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 230387200 is about 15178.5111259306. The cubic root of 230387200 is about 613.0361929723.

The spelling of 230387200 in words is "two hundred thirty million, three hundred eighty-seven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 41 50 64 80 82 100 128 160 164 200 205 256 320 328 400 410 439 512 640 656 800 820 878 1025 1280 1312 1600 1640 1756 2050 2195 2560 2624 3200 3280 3512 4100 4390 5248 6400 6560 7024 8200 8780 10496 10975 12800 13120 14048 16400 17560 17999 20992 21950 26240 28096 32800 35120 35998 43900 52480 56192 65600 70240 71996 87800 89995 104960 112384 131200 140480 143992 175600 179990 224768 262400 280960 287984 351200 359980 449975 524800 561920 575968 702400 719960 899950 1123840 1151936 1404800 1439920 1799900 2303872 2809600 2879840 3599800 4607744 5619200 5759680 7199600 9215488 11519360 14399200 23038720 28798400 46077440 57596800 115193600 230387200