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23060780 = 2259711887
BaseRepresentation
bin101011111111…
…0000100101100
31121101121102222
41113332010230
521400421110
62142134512
7400004411
oct127760454
947347388
1023060780
11120209a6
127881438
134a15642
1430c4108
152057c55
hex15fe12c

23060780 has 24 divisors (see below), whose sum is σ = 48931008. Its totient is φ = 9128448.

The previous prime is 23060761. The next prime is 23060801. The reversal of 23060780 is 8706032.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4004 + ... + 7883.

It is an arithmetic number, because the mean of its divisors is an integer number (2038792).

Almost surely, 223060780 is an apocalyptic number.

23060780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23060780 is an abundant number, since it is smaller than the sum of its proper divisors (25870228).

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

23060780 is a wasteful number, since it uses less digits than its factorization.

23060780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11993 (or 11991 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 23060780 is about 4802.1640954886. The cubic root of 23060780 is about 284.6369852310.

The spelling of 23060780 in words is "twenty-three million, sixty thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 11887 23774 47548 59435 118870 237740 1153039 2306078 4612156 5765195 11530390 23060780