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233000442 = 23323296469
BaseRepresentation
bin11011110001101…
…00110111111010
3121020102122112000
431320310313322
5434122003232
635042001430
75526320403
oct1570646772
9536378460
10233000442
1110a582754
1266046276
133936cbac
1422d329aa
15156c727c
hexde34dfa

233000442 has 64 divisors (see below), whose sum is σ = 559008000. Its totient is φ = 71717184.

The previous prime is 233000429. The next prime is 233000447. The reversal of 233000442 is 244000332.

233000442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (233000447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32784 + ... + 39252.

It is an arithmetic number, because the mean of its divisors is an integer number (8734500).

Almost surely, 2233000442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233000442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279504000).

233000442 is an abundant number, since it is smaller than the sum of its proper divisors (326007558).

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

233000442 is a wasteful number, since it uses less digits than its factorization.

233000442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6532 (or 6526 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 233000442 is about 15264.3520006583. The cubic root of 233000442 is about 615.3453384684.

Adding to 233000442 its reverse (244000332), we get a palindrome (477000774).

The spelling of 233000442 in words is "two hundred thirty-three million, four hundred forty-two", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 23 27 29 46 54 58 69 87 138 174 207 261 414 522 621 667 783 1242 1334 1566 2001 4002 6003 6469 12006 12938 18009 19407 36018 38814 58221 116442 148787 174663 187601 297574 349326 375202 446361 562803 892722 1125606 1339083 1688409 2678166 3376818 4017249 4314823 5065227 8034498 8629646 10130454 12944469 25888938 38833407 77666814 116500221 233000442