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23045022 = 232711131279
BaseRepresentation
bin101011111101…
…0001110011110
31121100210211100
41113322032132
521344420042
62141533530
7366610440
oct127721636
947323740
1023045022
1112010080
1278742a6
134a0b410
1430bc490
15205324c
hex15fa39e

23045022 has 96 divisors (see below), whose sum is σ = 67092480. Its totient is φ = 5520960.

The previous prime is 23045021. The next prime is 23045041. The reversal of 23045022 is 22054032.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23044986 and 23045004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23045021) 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, 17379 + ... + 18657.

It is an arithmetic number, because the mean of its divisors is an integer number (698880).

Almost surely, 223045022 is an apocalyptic number.

23045022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23045022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33546240).

23045022 is an abundant number, since it is smaller than the sum of its proper divisors (44047458).

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

23045022 is a wasteful number, since it uses less digits than its factorization.

23045022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318 (or 1315 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 23045022 is about 4800.5230964969. The cubic root of 23045022 is about 284.5721372996.

Adding to 23045022 its reverse (22054032), we get a palindrome (45099054).

The spelling of 23045022 in words is "twenty-three million, forty-five thousand, twenty-two".

Divisors: 1 2 3 6 7 9 11 13 14 18 21 22 26 33 39 42 63 66 77 78 91 99 117 126 143 154 182 198 231 234 273 286 429 462 546 693 819 858 1001 1279 1287 1386 1638 2002 2558 2574 3003 3837 6006 7674 8953 9009 11511 14069 16627 17906 18018 23022 26859 28138 33254 42207 49881 53718 80577 84414 98483 99762 116389 126621 149643 161154 182897 196966 232778 253242 295449 299286 349167 365794 548691 590898 698334 886347 1047501 1097382 1280279 1646073 1772694 2095002 2560558 3292146 3840837 7681674 11522511 23045022