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234008892 = 223313212821
BaseRepresentation
bin11011111001010…
…11000100111100
3121022022212212000
431330223010330
5434401241032
635115342300
75541020445
oct1574530474
9538285760
10234008892
11110101387
1266451990
1339633c00
14231162cc
1515825e7c
hexdf2b13c

234008892 has 72 divisors (see below), whose sum is σ = 656999280. Its totient is φ = 71997120.

The previous prime is 234008869. The next prime is 234008897. The reversal of 234008892 is 298800432.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234008897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11842 + ... + 24662.

It is an arithmetic number, because the mean of its divisors is an integer number (9124990).

Almost surely, 2234008892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234008892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328499640).

234008892 is an abundant number, since it is smaller than the sum of its proper divisors (422990388).

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

234008892 is a wasteful number, since it uses less digits than its factorization.

234008892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12860 (or 12839 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 234008892 is about 15297.3491821296. The cubic root of 234008892 is about 616.2318201802.

The spelling of 234008892 in words is "two hundred thirty-four million, eight thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 108 117 156 169 234 338 351 468 507 676 702 1014 1404 1521 2028 3042 4563 6084 9126 12821 18252 25642 38463 51284 76926 115389 153852 166673 230778 333346 346167 461556 500019 666692 692334 1000038 1384668 1500057 2000076 2166749 3000114 4333498 4500171 6000228 6500247 8666996 9000342 13000494 18000684 19500741 26000988 39001482 58502223 78002964 117004446 234008892