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233818742 = 2971120401
BaseRepresentation
bin11011110111111…
…00101001110110
3121021222020000102
431323330221312
5434324144432
635111314102
75536266203
oct1573745166
9537866012
10233818742
1110aa91533
126637b932
13395984b1
14230a6caa
15157d9962
hexdefca76

233818742 has 8 divisors (see below), whose sum is σ = 351092232. Its totient is φ = 116788000.

The previous prime is 233818723. The next prime is 233818751. The reversal of 233818742 is 247818332.

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

It is a super-2 number, since 2×2338187422 = 109342408220925128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 233818696 and 233818705.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 58259 + ... + 62142.

It is an arithmetic number, because the mean of its divisors is an integer number (43886529).

Almost surely, 2233818742 is an apocalyptic number.

233818742 is a deficient number, since it is larger than the sum of its proper divisors (117273490).

233818742 is a wasteful number, since it uses less digits than its factorization.

233818742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121374.

The product of its digits is 64512, while the sum is 38.

The square root of 233818742 is about 15291.1327899538. The cubic root of 233818742 is about 616.0648632294.

It can be divided in two parts, 23381 and 8742, that added together give a palindrome (32123).

The spelling of 233818742 in words is "two hundred thirty-three million, eight hundred eighteen thousand, seven hundred forty-two".

Divisors: 1 2 971 1942 120401 240802 116909371 233818742