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23076560 = 2451322189
BaseRepresentation
bin101100000000…
…1111011010000
31121102102002102
41120001323100
521401422220
62142335532
7400101413
oct130017320
947372072
1023076560
1112031841
12788a5a8
134a1c890
1430c9b7a
15205c775
hex1601ed0

23076560 has 40 divisors (see below), whose sum is σ = 57782760. Its totient is φ = 8520192.

The previous prime is 23076539. The next prime is 23076569. The reversal of 23076560 is 6567032.

It can be written as a sum of positive squares in 4 ways, for example, as 1024144 + 22052416 = 1012^2 + 4696^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23076569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10055 + ... + 12134.

It is an arithmetic number, because the mean of its divisors is an integer number (1444569).

Almost surely, 223076560 is an apocalyptic number.

23076560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23076560 is an abundant number, since it is smaller than the sum of its proper divisors (34706200).

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

23076560 is a wasteful number, since it uses less digits than its factorization.

23076560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22215 (or 22209 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 23076560 is about 4803.8068237597. The cubic root of 23076560 is about 284.7018941012.

The spelling of 23076560 in words is "twenty-three million, seventy-six thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 22189 44378 88756 110945 177512 221890 288457 355024 443780 576914 887560 1153828 1442285 1775120 2307656 2884570 4615312 5769140 11538280 23076560