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231426098 = 23123472
BaseRepresentation
bin11011100101101…
…00100000110010
3121010110122220222
431302310200302
5433221113343
634544133042
75510042441
oct1562644062
9533418828
10231426098
111096a7942
1265607182
1338c3b427
1422a42d58
15154b5a68
hexdcb4832

231426098 has 18 divisors (see below), whose sum is σ = 359735103. Its totient is φ = 111657660.

The previous prime is 231426071. The next prime is 231426101. The reversal of 231426098 is 890624132.

It can be written as a sum of positive squares in only one way, i.e., 115713049 + 115713049 = 10757^2 + 10757^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=10757.

It is a Duffinian number.

It is a Curzon number.

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 8 ways as a sum of consecutive naturals, for example, 666761 + ... + 667107.

Almost surely, 2231426098 is an apocalyptic number.

231426098 is a deficient number, since it is larger than the sum of its proper divisors (128309005).

231426098 is an frugal number, since it uses more digits than its factorization.

231426098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 231426098 is about 15212.6952904474. The cubic root of 231426098 is about 613.9562775899.

The spelling of 231426098 in words is "two hundred thirty-one million, four hundred twenty-six thousand, ninety-eight".

Divisors: 1 2 31 62 347 694 961 1922 10757 21514 120409 240818 333467 666934 3732679 7465358 115713049 231426098