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23468780 = 2251173439
BaseRepresentation
bin101100110000…
…1101011101100
31122011100010002
41121201223230
522002000110
62155003432
7403324046
oct131415354
948140102
1023468780
111227a495
127a39578
134b2926a
14318ca96
1520d8aa5
hex1661aec

23468780 has 12 divisors (see below), whose sum is σ = 49284480. Its totient is φ = 9387504.

The previous prime is 23468777. The next prime is 23468791. The reversal of 23468780 is 8786432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586700 + ... + 586739.

It is an arithmetic number, because the mean of its divisors is an integer number (4107040).

Almost surely, 223468780 is an apocalyptic number.

23468780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23468780 is an abundant number, since it is smaller than the sum of its proper divisors (25815700).

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

23468780 is a wasteful number, since it uses less digits than its factorization.

23468780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173448 (or 1173446 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 23468780 is about 4844.4586900912. The cubic root of 23468780 is about 286.3058166169.

The spelling of 23468780 in words is "twenty-three million, four hundred sixty-eight thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 1173439 2346878 4693756 5867195 11734390 23468780