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230331010 = 257131271993
BaseRepresentation
bin11011011101010…
…01001010000010
3121001102000202011
431232221022002
5432431043020
634504443134
75464531660
oct1556511202
9531360664
10230331010
1110901a108
12651794aa
1338946b50
1422839c30
151534b35a
hexdba9282

230331010 has 64 divisors (see below), whose sum is σ = 514547712. Its totient is φ = 72285696.

The previous prime is 230330999. The next prime is 230331019. The reversal of 230331010 is 10133032.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (230331019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114574 + ... + 116566.

It is an arithmetic number, because the mean of its divisors is an integer number (8039808).

Almost surely, 2230331010 is an apocalyptic number.

230331010 is an abundant number, since it is smaller than the sum of its proper divisors (284216702).

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

230331010 is a wasteful number, since it uses less digits than its factorization.

230331010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 230331010 is about 15176.6600409972. The cubic root of 230331010 is about 612.9863503530.

Adding to 230331010 its reverse (10133032), we get a palindrome (240464042).

The spelling of 230331010 in words is "two hundred thirty million, three hundred thirty-one thousand, ten".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 127 130 182 254 455 635 889 910 1270 1651 1778 1993 3302 3986 4445 8255 8890 9965 11557 13951 16510 19930 23114 25909 27902 51818 57785 69755 115570 129545 139510 181363 253111 259090 362726 506222 906815 1265555 1771777 1813630 2531110 3290443 3543554 6580886 8858885 16452215 17717770 23033101 32904430 46066202 115165505 230331010