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233145043 = 2371142771
BaseRepresentation
bin11011110010110…
…00001011010011
3121020200222212121
431321120023103
5434141120133
635045035111
75530462105
oct1571301323
9536628777
10233145043
1110a67135a
12660b5a97
13393c0961
1422d6d575
151570502d
hexde582d3

233145043 has 8 divisors (see below), whose sum is σ = 246710016. Its totient is φ = 219865800.

The previous prime is 233145041. The next prime is 233145047. The reversal of 233145043 is 340541332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 233145043 - 21 = 233145041 is a prime.

It is a super-2 number, since 2×2331450432 = 108713222150943698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233144999 and 233145017.

It is not an unprimeable number, because it can be changed into a prime (233145041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69753 + ... + 73018.

It is an arithmetic number, because the mean of its divisors is an integer number (30838752).

Almost surely, 2233145043 is an apocalyptic number.

233145043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

233145043 is a deficient number, since it is larger than the sum of its proper divisors (13564973).

233145043 is a wasteful number, since it uses less digits than its factorization.

233145043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142865.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 233145043 is about 15269.0878247523. The cubic root of 233145043 is about 615.4726073981.

Adding to 233145043 its reverse (340541332), we get a palindrome (573686375).

It can be divided in two parts, 2331 and 45043, that added together give a palindrome (47374).

The spelling of 233145043 in words is "two hundred thirty-three million, one hundred forty-five thousand, forty-three".

Divisors: 1 23 71 1633 142771 3283733 10136741 233145043