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2098372864 = 28724092
BaseRepresentation
bin111110100010010…
…1010000100000000
312102020110101102111
41331010222010000
513244140412424
6544115225104
7102666606100
oct17504520400
95366411374
102098372864
11987527655
124a68a8194
1327596b363
1415c985200
15c4345194
hex7d12a100

2098372864 has 81 divisors (see below), whose sum is σ = 4884335757. Its totient is φ = 897103872.

The previous prime is 2098372853. The next prime is 2098372877. The reversal of 2098372864 is 4682738902.

The square root of 2098372864 is 45808.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1917739264 + 180633600 = 43792^2 + 13440^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5130292 + ... + 5130700.

Almost surely, 22098372864 is an apocalyptic number.

2098372864 is the 45808-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2098372864

2098372864 is an abundant number, since it is smaller than the sum of its proper divisors (2785962893).

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

2098372864 is an frugal number, since it uses more digits than its factorization.

2098372864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The cubic root of 2098372864 is about 1280.2483372328.

Multiplying 2098372864 by its sum of digits (49), we get a square (102820270336 = 3206562).

2098372864 divided by its sum of digits (49) gives a square (42823936 = 65442).

The spelling of 2098372864 in words is "two billion, ninety-eight million, three hundred seventy-two thousand, eight hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 392 409 448 784 818 896 1568 1636 1792 2863 3136 3272 5726 6272 6544 11452 12544 13088 20041 22904 26176 40082 45808 52352 80164 91616 104704 160328 167281 183232 320656 334562 366464 641312 669124 732928 1170967 1282624 1338248 2341934 2565248 2676496 4683868 5130496 5352992 8196769 9367736 10705984 16393538 18735472 21411968 32787076 37470944 42823936 65574152 74941888 131148304 149883776 262296608 299767552 524593216 1049186432 2098372864