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230041020 = 223511348547
BaseRepresentation
bin11011011011000…
…10010110111100
3121000212021221210
431231202112330
5432342303040
634454324420
75462213346
oct1555422674
9530767853
10230041020
11108941250
1265059710
1338874b61
14227a2296
15152e0480
hexdb625bc

230041020 has 48 divisors (see below), whose sum is σ = 702672768. Its totient is φ = 55767360.

The previous prime is 230041003. The next prime is 230041043. The reversal of 230041020 is 20140032.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 230040987 and 230041005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173614 + ... + 174933.

It is an arithmetic number, because the mean of its divisors is an integer number (14639016).

Almost surely, 2230041020 is an apocalyptic number.

230041020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230041020 is an abundant number, since it is smaller than the sum of its proper divisors (472631748).

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

230041020 is a wasteful number, since it uses less digits than its factorization.

230041020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348570 (or 348568 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 230041020 is about 15167.1032171605. The cubic root of 230041020 is about 612.7289894868.

Adding to 230041020 its reverse (20140032), we get a palindrome (250181052).

The spelling of 230041020 in words is "two hundred thirty million, forty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 348547 697094 1045641 1394188 1742735 2091282 3485470 3834017 4182564 5228205 6970940 7668034 10456410 11502051 15336068 19170085 20912820 23004102 38340170 46008204 57510255 76680340 115020510 230041020