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23040486 = 23272151173
BaseRepresentation
bin101011111100…
…1000111100110
31121100120121100
41113321013212
521344243421
62141500530
7366561300
oct127710746
947316540
1023040486
1112007727
127871746
134a09331
1430ba970
152051c26
hex15f91e6

23040486 has 72 divisors (see below), whose sum is σ = 58793904. Its totient is φ = 6501600.

The previous prime is 23040469. The next prime is 23040487. The reversal of 23040486 is 68404032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23040487) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 133096 + ... + 133268.

It is an arithmetic number, because the mean of its divisors is an integer number (816582).

Almost surely, 223040486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23040486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29396952).

23040486 is an abundant number, since it is smaller than the sum of its proper divisors (35753418).

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

23040486 is a wasteful number, since it uses less digits than its factorization.

23040486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 23040486 is about 4800.0506247330. The cubic root of 23040486 is about 284.5534650976.

The spelling of 23040486 in words is "twenty-three million, forty thousand, four hundred eighty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 151 173 294 302 346 441 453 519 882 906 1038 1057 1211 1359 1557 2114 2422 2718 3114 3171 3633 6342 7266 7399 8477 9513 10899 14798 16954 19026 21798 22197 25431 26123 44394 50862 52246 66591 76293 78369 133182 152586 156738 182861 235107 365722 470214 548583 1097166 1280027 1645749 2560054 3291498 3840081 7680162 11520243 23040486