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230261516 = 22281204859
BaseRepresentation
bin11011011100110…
…00001100001100
3121001021111102022
431232120030030
5432421332031
634503145312
75464122242
oct1556301414
9531244368
10230261516
11108a81981
1265145238
1338921324
142281c792
151533597b
hexdb9830c

230261516 has 12 divisors (see below), whose sum is σ = 404393640. Its totient is φ = 114720480.

The previous prime is 230261489. The next prime is 230261567. The reversal of 230261516 is 615162032.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 101306 + ... + 103553.

It is an arithmetic number, because the mean of its divisors is an integer number (33699470).

Almost surely, 2230261516 is an apocalyptic number.

It is an amenable number.

230261516 is a deficient number, since it is larger than the sum of its proper divisors (174132124).

230261516 is a wasteful number, since it uses less digits than its factorization.

230261516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205144 (or 205142 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 230261516 is about 15174.3703658504. The cubic root of 230261516 is about 612.9246953774.

It can be divided in two parts, 23026 and 1516, that added together give a palindrome (24542).

The spelling of 230261516 in words is "two hundred thirty million, two hundred sixty-one thousand, five hundred sixteen".

Divisors: 1 2 4 281 562 1124 204859 409718 819436 57565379 115130758 230261516