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22950240 = 2535137349
BaseRepresentation
bin101011110001…
…1000101100000
31121011222210220
41113203011200
521333401430
62135523040
7366034215
oct127430540
947158726
1022950240
1111a55945
127829480
1349a7231
143095b0c
152035110
hex15e3160

22950240 has 96 divisors (see below), whose sum is σ = 73029600. Its totient is φ = 6057984.

The previous prime is 22950229. The next prime is 22950269. The reversal of 22950240 is 4205922.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 22950240.

It is a congruent number.

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, 65586 + ... + 65934.

It is an arithmetic number, because the mean of its divisors is an integer number (760725).

Almost surely, 222950240 is an apocalyptic number.

22950240 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 22950240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36514800).

22950240 is an abundant number, since it is smaller than the sum of its proper divisors (50079360).

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

22950240 is a wasteful number, since it uses less digits than its factorization.

22950240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 22950240 is about 4790.6408757075. The cubic root of 22950240 is about 284.1814617596.

The spelling of 22950240 in words is "twenty-two million, nine hundred fifty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 137 160 240 274 349 411 480 548 685 698 822 1047 1096 1370 1396 1644 1745 2055 2094 2192 2740 2792 3288 3490 4110 4188 4384 5235 5480 5584 6576 6980 8220 8376 10470 10960 11168 13152 13960 16440 16752 20940 21920 27920 32880 33504 41880 47813 55840 65760 83760 95626 143439 167520 191252 239065 286878 382504 478130 573756 717195 765008 956260 1147512 1434390 1530016 1912520 2295024 2868780 3825040 4590048 5737560 7650080 11475120 22950240