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23488040 = 235587201
BaseRepresentation
bin101100110011…
…0011000101000
31122012022112102
41121212120220
522003104130
62155232532
7403434152
oct131463050
948168472
1023488040
1112292a04
127a48748
134b34c64
143195ad2
1520de645
hex1666628

23488040 has 16 divisors (see below), whose sum is σ = 52848180. Its totient is φ = 9395200.

The previous prime is 23488027. The next prime is 23488051. The reversal of 23488040 is 4088432.

It can be written as a sum of positive squares in 2 ways, for example, as 23406244 + 81796 = 4838^2 + 286^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23487994 and 23488012.

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 3 ways as a sum of consecutive naturals, for example, 293561 + ... + 293640.

Almost surely, 223488040 is an apocalyptic number.

23488040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23488040 is an abundant number, since it is smaller than the sum of its proper divisors (29360140).

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

23488040 is a wasteful number, since it uses less digits than its factorization.

23488040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587212 (or 587208 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 23488040 is about 4846.4461206125. The cubic root of 23488040 is about 286.3841155636.

The spelling of 23488040 in words is "twenty-three million, four hundred eighty-eight thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 587201 1174402 2348804 2936005 4697608 5872010 11744020 23488040