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23298680 = 2357379101
BaseRepresentation
bin101100011100…
…0001001111000
31121211200210002
41120320021320
521431024210
62151212132
7402015116
oct130701170
947750702
1023298680
1112173709
127977048
134a99a02
143146ab6
1520a34a5
hex1638278

23298680 has 64 divisors (see below), whose sum is σ = 54345600. Its totient is φ = 8985600.

The previous prime is 23298673. The next prime is 23298713. The reversal of 23298680 is 8689232.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230630 + ... + 230730.

It is an arithmetic number, because the mean of its divisors is an integer number (849150).

Almost surely, 223298680 is an apocalyptic number.

23298680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23298680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27172800).

23298680 is an abundant number, since it is smaller than the sum of its proper divisors (31046920).

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

23298680 is a wasteful number, since it uses less digits than its factorization.

23298680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 23298680 is about 4826.8706218419. The cubic root of 23298680 is about 285.6124308367.

The spelling of 23298680 in words is "twenty-three million, two hundred ninety-eight thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 73 79 101 146 158 202 292 316 365 395 404 505 584 632 730 790 808 1010 1460 1580 2020 2920 3160 4040 5767 7373 7979 11534 14746 15958 23068 28835 29492 31916 36865 39895 46136 57670 58984 63832 73730 79790 115340 147460 159580 230680 294920 319160 582467 1164934 2329868 2912335 4659736 5824670 11649340 23298680