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230521850 = 25213596011
BaseRepresentation
bin11011011110101…
…11101111111010
3121001202201112022
431233113233322
5433003144400
634512514442
75466255236
oct1557275772
9531681468
10230521850
1110913a529
126524ba22
13389b2980
14228895c6
1515387b85
hexdbd7bfa

230521850 has 48 divisors (see below), whose sum is σ = 469657440. Its totient is φ = 83659200.

The previous prime is 230521843. The next prime is 230521871. The reversal of 230521850 is 58125032.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35345 + ... + 41355.

It is an arithmetic number, because the mean of its divisors is an integer number (9784530).

Almost surely, 2230521850 is an apocalyptic number.

230521850 is an abundant number, since it is smaller than the sum of its proper divisors (239135590).

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

230521850 is a wasteful number, since it uses less digits than its factorization.

230521850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6095 (or 6090 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 230521850 is about 15182.9460250638. The cubic root of 230521850 is about 613.1555995588.

Adding to 230521850 its reverse (58125032), we get a palindrome (288646882).

The spelling of 230521850 in words is "two hundred thirty million, five hundred twenty-one thousand, eight hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 59 65 118 130 295 325 590 650 767 1475 1534 2950 3835 6011 7670 12022 19175 30055 38350 60110 78143 150275 156286 300550 354649 390715 709298 781430 1773245 1953575 3546490 3907150 4610437 8866225 9220874 17732450 23052185 46104370 115260925 230521850