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231424026 = 23172268863
BaseRepresentation
bin11011100101101…
…00000000011010
3121010110120002020
431302310000122
5433221032101
634544115310
75510033421
oct1562640032
9533416066
10231424026
111096a6329
1265605b36
1338c3a4c2
1422a422b8
15154b5136
hexdcb401a

231424026 has 16 divisors (see below), whose sum is σ = 490074624. Its totient is φ = 72603584.

The previous prime is 231424007. The next prime is 231424033. The reversal of 231424026 is 620424132.

It is a junction number, because it is equal to n+sod(n) for n = 231423987 and 231424005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134330 + ... + 1134533.

It is an arithmetic number, because the mean of its divisors is an integer number (30629664).

Almost surely, 2231424026 is an apocalyptic number.

231424026 is an abundant number, since it is smaller than the sum of its proper divisors (258650598).

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

231424026 is a wasteful number, since it uses less digits than its factorization.

231424026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268885.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 231424026 is about 15212.6271892793. The cubic root of 231424026 is about 613.9544452970.

Adding to 231424026 its reverse (620424132), we get a palindrome (851848158).

The spelling of 231424026 in words is "two hundred thirty-one million, four hundred twenty-four thousand, twenty-six".

Divisors: 1 2 3 6 17 34 51 102 2268863 4537726 6806589 13613178 38570671 77141342 115712013 231424026