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23670234 = 2327247571
BaseRepresentation
bin101101001001…
…0110111011010
31122112120110100
41122102313122
522024421414
62203200230
7405123300
oct132226732
948476410
1023670234
11123a7885
127b16076
134b99b73
143202270
152128609
hex1692dda

23670234 has 72 divisors (see below), whose sum is σ = 61034688. Its totient is φ = 6607440.

The previous prime is 23670233. The next prime is 23670247. The reversal of 23670234 is 43207632.

It is a super-2 number, since 2×236702342 = 1120559955229512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23670198 and 23670207.

It is not an unprimeable number, because it can be changed into a prime (23670233) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41169 + ... + 41739.

It is an arithmetic number, because the mean of its divisors is an integer number (847704).

Almost surely, 223670234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23670234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30517344).

23670234 is an abundant number, since it is smaller than the sum of its proper divisors (37364454).

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

23670234 is a wasteful number, since it uses less digits than its factorization.

23670234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 23670234 is about 4865.2064704388. The cubic root of 23670234 is about 287.1226919401.

Adding to 23670234 its reverse (43207632), we get a palindrome (66877866).

The spelling of 23670234 in words is "twenty-three million, six hundred seventy thousand, two hundred thirty-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 47 49 63 94 98 126 141 147 282 294 329 423 441 571 658 846 882 987 1142 1713 1974 2303 2961 3426 3997 4606 5139 5922 6909 7994 10278 11991 13818 20727 23982 26837 27979 35973 41454 53674 55958 71946 80511 83937 161022 167874 187859 241533 251811 375718 483066 503622 563577 1127154 1315013 1690731 2630026 3381462 3945039 7890078 11835117 23670234