Search a number
-
+
240253040 = 24543211331
BaseRepresentation
bin11100101000111…
…11100001110000
3121202002010012202
432110133201300
5443001044130
635501242332
75645055116
oct1624374160
9552063182
10240253040
11113686735
12685633a8
133aa0c081
1423c9dab6
151615b145
hexe51f870

240253040 has 80 divisors (see below), whose sum is σ = 576022656. Its totient is φ = 93139200.

The previous prime is 240252977. The next prime is 240253051. The reversal of 240253040 is 40352042.

240253040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725675 + ... + 726005.

Almost surely, 2240253040 is an apocalyptic number.

240253040 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 240253040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288011328).

240253040 is an abundant number, since it is smaller than the sum of its proper divisors (335769616).

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

240253040 is a wasteful number, since it uses less digits than its factorization.

240253040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 240253040 is about 15500.0980642059. The cubic root of 240253040 is about 621.6648283992.

The spelling of 240253040 in words is "two hundred forty million, two hundred fifty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 43 80 86 172 211 215 331 344 422 430 662 688 844 860 1055 1324 1655 1688 1720 2110 2648 3310 3376 3440 4220 5296 6620 8440 9073 13240 14233 16880 18146 26480 28466 36292 45365 56932 69841 71165 72584 90730 113864 139682 142330 145168 181460 227728 279364 284660 349205 362920 558728 569320 698410 725840 1117456 1138640 1396820 2793640 3003163 5587280 6006326 12012652 15015815 24025304 30031630 48050608 60063260 120126520 240253040