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23730246 = 234372107
BaseRepresentation
bin101101010000…
…1100001000110
31122122121210000
41122201201012
522033331441
62204342130
7405463251
oct132414106
948577700
1023730246
1112438981
127b44946
134bbb287
14321a098
15213b2b6
hex16a1846

23730246 has 60 divisors (see below), whose sum is σ = 55160028. Its totient is φ = 7624368.

The previous prime is 23730241. The next prime is 23730247. The reversal of 23730246 is 64203732.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23730241) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 221725 + ... + 221831.

Almost surely, 223730246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23730246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27580014).

23730246 is an abundant number, since it is smaller than the sum of its proper divisors (31429782).

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

23730246 is a wasteful number, since it uses less digits than its factorization.

23730246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 149 counting only the distinct ones).

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

The square root of 23730246 is about 4871.3700331632. The cubic root of 23730246 is about 287.3651380084.

Adding to 23730246 its reverse (64203732), we get a palindrome (87933978).

The spelling of 23730246 in words is "twenty-three million, seven hundred thirty thousand, two hundred forty-six".

Divisors: 1 2 3 6 9 18 27 37 54 74 81 107 111 162 214 222 321 333 642 666 963 999 1369 1926 1998 2738 2889 2997 3959 4107 5778 5994 7918 8214 8667 11877 12321 17334 23754 24642 35631 36963 71262 73926 106893 110889 146483 213786 221778 292966 320679 439449 641358 878898 1318347 2636694 3955041 7910082 11865123 23730246