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230681426 = 2115340713
BaseRepresentation
bin11011011111111…
…10101101010010
3121002001211102112
431233332231102
5433023301201
634520145322
75500521413
oct1557765522
9532054375
10230681426
11109239408
1265308242
1338a3a4b1
14228cb80a
15153ba0bb
hexdbfeb52

230681426 has 4 divisors (see below), whose sum is σ = 346022142. Its totient is φ = 115340712.

The previous prime is 230681389. The next prime is 230681453. The reversal of 230681426 is 624186032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 147598201 + 83083225 = 12149^2 + 9115^2 .

It is a junction number, because it is equal to n+sod(n) for n = 230681392 and 230681401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57670355 + ... + 57670358.

Almost surely, 2230681426 is an apocalyptic number.

230681426 is a deficient number, since it is larger than the sum of its proper divisors (115340716).

230681426 is a wasteful number, since it uses less digits than its factorization.

230681426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115340715.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 230681426 is about 15188.2002225412. The cubic root of 230681426 is about 613.2970501404.

The spelling of 230681426 in words is "two hundred thirty million, six hundred eighty-one thousand, four hundred twenty-six".

Divisors: 1 2 115340713 230681426