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23988468 = 2237353809
BaseRepresentation
bin101101110000…
…0100011110100
31200010201222210
41123200203310
522120112333
62214053420
7410620140
oct133404364
950121883
1023988468
11125a4989
12804a270
134c7b97a
143286220
15218ca63
hex16e08f4

23988468 has 48 divisors (see below), whose sum is σ = 64229760. Its totient is φ = 6825984.

The previous prime is 23988443. The next prime is 23988487. The reversal of 23988468 is 86488932.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29248 + ... + 30056.

It is an arithmetic number, because the mean of its divisors is an integer number (1338120).

Almost surely, 223988468 is an apocalyptic number.

23988468 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23988468 is an abundant number, since it is smaller than the sum of its proper divisors (40241292).

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

23988468 is a wasteful number, since it uses less digits than its factorization.

23988468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176 (or 1174 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 23988468 is about 4897.8023643263. The cubic root of 23988468 is about 288.4037065986.

The spelling of 23988468 in words is "twenty-three million, nine hundred eighty-eight thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 353 706 809 1059 1412 1618 2118 2427 2471 3236 4236 4854 4942 5663 7413 9708 9884 11326 14826 16989 22652 29652 33978 67956 285577 571154 856731 1142308 1713462 1999039 3426924 3998078 5997117 7996156 11994234 23988468