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52502324240 = 2456137928387
BaseRepresentation
bin110000111001011000…
…011110010000010000
312000111222101102011102
4300321120132100100
51330011043333430
640041431003532
73536025251462
oct607130362020
9160458342142
1052502324240
11202a2214313
12a212b095a8
134c49304062
142780bc8132
1515743ce345
hexc3961e410

52502324240 has 80 divisors (see below), whose sum is σ = 124400758080. Its totient is φ = 20601423360.

The previous prime is 52502324219. The next prime is 52502324267. The reversal of 52502324240 is 4242320525.

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

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, 1835327 + ... + 1863713.

It is an arithmetic number, because the mean of its divisors is an integer number (1555009476).

Almost surely, 252502324240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52502324240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62200379040).

52502324240 is an abundant number, since it is smaller than the sum of its proper divisors (71898433840).

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

52502324240 is a wasteful number, since it uses less digits than its factorization.

52502324240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28840 (or 28834 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 52502324240 its reverse (4242320525), we get a palindrome (56744644765).

The spelling of 52502324240 in words is "fifty-two billion, five hundred two million, three hundred twenty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 61 80 122 244 305 379 488 610 758 976 1220 1516 1895 2440 3032 3790 4880 6064 7580 15160 23119 28387 30320 46238 56774 92476 113548 115595 141935 184952 227096 231190 283870 369904 454192 462380 567740 924760 1135480 1731607 1849520 2270960 3463214 6926428 8658035 10758673 13852856 17316070 21517346 27705712 34632140 43034692 53793365 69264280 86069384 107586730 138528560 172138768 215173460 430346920 656279053 860693840 1312558106 2625116212 3281395265 5250232424 6562790530 10500464848 13125581060 26251162120 52502324240