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23840652 = 223111791009
BaseRepresentation
bin101101011110…
…0011110001100
31122212020020010
41122330132030
522100400102
62210553220
7406433163
oct132743614
948766203
1023840652
1112503920
127b98810
134c295c4
1432483da
15215dd6c
hex16bc78c

23840652 has 48 divisors (see below), whose sum is σ = 61084800. Its totient is φ = 7176960.

The previous prime is 23840651. The next prime is 23840657. The reversal of 23840652 is 25604832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23840651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23124 + ... + 24132.

It is an arithmetic number, because the mean of its divisors is an integer number (1272600).

Almost surely, 223840652 is an apocalyptic number.

23840652 is a gapful number since it is divisible by the number (22) 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 23840652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30542400).

23840652 is an abundant number, since it is smaller than the sum of its proper divisors (37244148).

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

23840652 is a wasteful number, since it uses less digits than its factorization.

23840652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206 (or 1204 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 23840652 is about 4882.6890132385. The cubic root of 23840652 is about 287.8101082336.

The spelling of 23840652 in words is "twenty-three million, eight hundred forty thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 179 358 537 716 1009 1074 1969 2018 2148 3027 3938 4036 5907 6054 7876 11099 11814 12108 22198 23628 33297 44396 66594 133188 180611 361222 541833 722444 1083666 1986721 2167332 3973442 5960163 7946884 11920326 23840652