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874096640 = 211585361
BaseRepresentation
bin110100000110011…
…010100000000000
32020220202201011122
4310012122200000
53242232043030
6222422531412
730442461464
oct6406324000
92226681148
10874096640
1140944a81a
12204896b68
1310c127261
14841364a4
1551b118e5
hex3419a800

874096640 has 48 divisors (see below), whose sum is σ = 2097344340. Its totient is φ = 349634560.

The previous prime is 874096609. The next prime is 874096649. The reversal of 874096640 is 46690478.

It can be written as a sum of positive squares in 2 ways, for example, as 872375296 + 1721344 = 29536^2 + 1312^2 .

It is a junction number, because it is equal to n+sod(n) for n = 874096591 and 874096600.

It is not an unprimeable number, because it can be changed into a prime (874096649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32441 + ... + 52920.

Almost surely, 2874096640 is an apocalyptic number.

874096640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

874096640 is an abundant number, since it is smaller than the sum of its proper divisors (1223247700).

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

874096640 is an equidigital number, since it uses as much as digits as its factorization.

874096640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85388 (or 85368 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 874096640 is about 29565.1254013914. The cubic root of 874096640 is about 956.1363227107.

It can be divided in two parts, 87409 and 6640, that added together give a palindrome (94049).

The spelling of 874096640 in words is "eight hundred seventy-four million, ninety-six thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2048 2560 5120 10240 85361 170722 341444 426805 682888 853610 1365776 1707220 2731552 3414440 5463104 6828880 10926208 13657760 21852416 27315520 43704832 54631040 87409664 109262080 174819328 218524160 437048320 874096640