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23045043 = 3721937223
BaseRepresentation
bin101011111101…
…0001110110011
31121100210212010
41113322032303
521344420133
62141534003
7366610500
oct127721663
947323763
1023045043
111201009a
127874303
134a0b428
1430bc4a7
152053263
hex15fa3b3

23045043 has 48 divisors (see below), whose sum is σ = 38814720. Its totient is φ = 12083904.

The previous prime is 23045041. The next prime is 23045051. The reversal of 23045043 is 34054032.

It is a happy number.

It is not a de Polignac number, because 23045043 - 21 = 23045041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (23045041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103230 + ... + 103452.

It is an arithmetic number, because the mean of its divisors is an integer number (808640).

Almost surely, 223045043 is an apocalyptic number.

23045043 is a deficient number, since it is larger than the sum of its proper divisors (15769677).

23045043 is a wasteful number, since it uses less digits than its factorization.

23045043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 23045043 is about 4800.5252837580. The cubic root of 23045043 is about 284.5722237393.

Adding to 23045043 its reverse (34054032), we get a palindrome (57099075).

The spelling of 23045043 in words is "twenty-three million, forty-five thousand, forty-three".

Divisors: 1 3 7 19 21 37 49 57 111 133 147 223 259 399 669 703 777 931 1561 1813 2109 2793 4237 4683 4921 5439 8251 10927 12711 14763 24753 29659 32781 34447 57757 88977 103341 156769 173271 207613 404299 470307 622839 1097383 1212897 3292149 7681681 23045043