Search a number
-
+
240084864 = 2733127547
BaseRepresentation
bin11100100111101…
…10011110000000
3121201202120112000
432103312132000
5442430203424
635453504000
75643454605
oct1623663600
9551676460
10240084864
11113581348
12684a2000
133a980666
1423c586ac
15161263c9
hexe4f6780

240084864 has 128 divisors (see below), whose sum is σ = 715468800. Its totient is φ = 79252992.

The previous prime is 240084857. The next prime is 240084869. The reversal of 240084864 is 468480042.

240084864 is digitally balanced in base 2 and base 3, because in such bases 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 (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240084869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438639 + ... + 439185.

It is an arithmetic number, because the mean of its divisors is an integer number (5589600).

Almost surely, 2240084864 is an apocalyptic number.

240084864 is a gapful number since it is divisible by the number (24) 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 240084864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357734400).

240084864 is an abundant number, since it is smaller than the sum of its proper divisors (475383936).

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

240084864 is a wasteful number, since it uses less digits than its factorization.

240084864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 240084864 is about 15494.6721165696. The cubic root of 240084864 is about 621.5197403866.

The spelling of 240084864 in words is "two hundred forty million, eighty-four thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 127 128 144 192 216 254 288 381 384 432 508 547 576 762 864 1016 1094 1143 1152 1524 1641 1728 2032 2188 2286 3048 3282 3429 3456 4064 4376 4572 4923 6096 6564 6858 8128 8752 9144 9846 12192 13128 13716 14769 16256 17504 18288 19692 24384 26256 27432 29538 35008 36576 39384 48768 52512 54864 59076 69469 70016 73152 78768 105024 109728 118152 138938 146304 157536 208407 210048 219456 236304 277876 315072 416814 438912 472608 555752 625221 630144 833628 945216 1111504 1250442 1667256 1875663 1890432 2223008 2500884 3334512 3751326 4446016 5001768 6669024 7502652 8892032 10003536 13338048 15005304 20007072 26676096 30010608 40014144 60021216 80028288 120042432 240084864