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23420006240 = 255146375039
BaseRepresentation
bin10101110011111100…
…001110111101100000
32020110011212120211112
4111303330032331200
5340431010144430
614431540002452
71456240524401
oct256374167540
966404776745
1023420006240
119a28a8a364
124657390428
1322930b6977
1411c25bd9a8
15921126195
hex573f0ef60

23420006240 has 24 divisors (see below), whose sum is σ = 55329765120. Its totient is φ = 9368002432.

The previous prime is 23420006231. The next prime is 23420006303. The reversal of 23420006240 is 4260002432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73187360 + ... + 73187679.

It is an arithmetic number, because the mean of its divisors is an integer number (2305406880).

Almost surely, 223420006240 is an apocalyptic number.

23420006240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23420006240 is an abundant number, since it is smaller than the sum of its proper divisors (31909758880).

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

23420006240 is a wasteful number, since it uses less digits than its factorization.

23420006240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146375054 (or 146375046 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 23420006240 its reverse (4260002432), we get a palindrome (27680008672).

The spelling of 23420006240 in words is "twenty-three billion, four hundred twenty million, six thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 146375039 292750078 585500156 731875195 1171000312 1463750390 2342000624 2927500780 4684001248 5855001560 11710003120 23420006240