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240753864 = 2331317192389
BaseRepresentation
bin11100101100110…
…01110011001000
3121210000120012210
432112121303020
5443113110424
635520105120
75652242211
oct1626316310
9553016183
10240753864
11113998a3a
12687651a0
133ab56010
1423d90408
1516209729
hexe599cc8

240753864 has 128 divisors (see below), whose sum is σ = 722736000. Its totient is φ = 66023424.

The previous prime is 240753839. The next prime is 240753869. The reversal of 240753864 is 468357042.

It is a happy number.

240753864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (240753869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99582 + ... + 101970.

It is an arithmetic number, because the mean of its divisors is an integer number (5646375).

Almost surely, 2240753864 is an apocalyptic number.

240753864 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 240753864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361368000).

240753864 is an abundant number, since it is smaller than the sum of its proper divisors (481982136).

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

240753864 is a wasteful number, since it uses less digits than its factorization.

240753864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447 (or 2443 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 240753864 is about 15516.2451643431. The cubic root of 240753864 is about 622.0964963002.

The spelling of 240753864 in words is "two hundred forty million, seven hundred fifty-three thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 13 17 19 24 26 34 38 39 51 52 57 68 76 78 102 104 114 136 152 156 204 221 228 247 312 323 408 442 456 494 646 663 741 884 969 988 1292 1326 1482 1768 1938 1976 2389 2584 2652 2964 3876 4199 4778 5304 5928 7167 7752 8398 9556 12597 14334 16796 19112 25194 28668 31057 33592 40613 45391 50388 57336 62114 81226 90782 93171 100776 121839 124228 136173 162452 181564 186342 243678 248456 272346 324904 363128 372684 487356 527969 544692 590083 745368 771647 974712 1055938 1089384 1180166 1543294 1583907 1770249 2111876 2314941 2360332 3086588 3167814 3540498 4223752 4629882 4720664 6173176 6335628 7080996 9259764 10031411 12671256 14161992 18519528 20062822 30094233 40125644 60188466 80251288 120376932 240753864