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240013312 = 212711761
BaseRepresentation
bin11100100111001…
…01000000000000
3121201121221100221
432103211000000
5442420411222
635452152424
75643036160
oct1623450000
9551557327
10240013312
11113532610
1268468714
133a956c16
1423c3a5a0
15161100c7
hexe4e5000

240013312 has 104 divisors (see below), whose sum is σ = 599188032. Its totient is φ = 93388800.

The previous prime is 240013289. The next prime is 240013321. The reversal of 240013312 is 213310042.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315012 + ... + 315772.

Almost surely, 2240013312 is an apocalyptic number.

240013312 is a gapful number since it is divisible by the number (22) 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 240013312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299594016).

240013312 is an abundant number, since it is smaller than the sum of its proper divisors (359174720).

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

240013312 is an equidigital number, since it uses as much as digits as its factorization.

240013312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803 (or 781 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 240013312 is about 15492.3630218247. The cubic root of 240013312 is about 621.4579908337.

Adding to 240013312 its reverse (213310042), we get a palindrome (453323354).

The spelling of 240013312 in words is "two hundred forty million, thirteen thousand, three hundred twelve".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 128 154 176 224 256 308 352 448 512 616 704 761 896 1024 1232 1408 1522 1792 2048 2464 2816 3044 3584 4096 4928 5327 5632 6088 7168 8371 9856 10654 11264 12176 14336 16742 19712 21308 22528 24352 28672 33484 39424 42616 45056 48704 58597 66968 78848 85232 97408 117194 133936 157696 170464 194816 234388 267872 315392 340928 389632 468776 535744 681856 779264 937552 1071488 1363712 1558528 1875104 2142976 2727424 3117056 3750208 4285952 5454848 7500416 8571904 10909696 15000832 17143808 21819392 30001664 34287616 60003328 120006656 240013312