Search a number
-
+
26230440 = 2335241907
BaseRepresentation
bin110010000001…
…1111010101000
31211100122101210
41210003322220
523203333230
62334113120
7435645405
oct144037250
954318353
1026230440
1113896355
12894b7a0
135585292
1436ab2ac
152481eb0
hex1903ea8

26230440 has 64 divisors (see below), whose sum is σ = 79104960. Its totient is φ = 6958080.

The previous prime is 26230417. The next prime is 26230483. The reversal of 26230440 is 4403262.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28467 + ... + 29373.

It is an arithmetic number, because the mean of its divisors is an integer number (1236015).

Almost surely, 226230440 is an apocalyptic number.

26230440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26230440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39552480).

26230440 is an abundant number, since it is smaller than the sum of its proper divisors (52874520).

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

26230440 is a wasteful number, since it uses less digits than its factorization.

26230440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162 (or 1158 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 26230440 is about 5121.5661667111. The cubic root of 26230440 is about 297.1222614458.

The spelling of 26230440 in words is "twenty-six million, two hundred thirty thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 241 482 723 907 964 1205 1446 1814 1928 2410 2721 2892 3615 3628 4535 4820 5442 5784 7230 7256 9070 9640 10884 13605 14460 18140 21768 27210 28920 36280 54420 108840 218587 437174 655761 874348 1092935 1311522 1748696 2185870 2623044 3278805 4371740 5246088 6557610 8743480 13115220 26230440