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1214898656 = 25791573061
BaseRepresentation
bin100100001101001…
…1110000111100000
310010200001020122112
41020122132013200
54442003224111
6320315254452
742051316406
oct11032360740
93120036575
101214898656
11573862384
1229aa4a428
1316490c95a
14b74cb476
15719cee8b
hex4869e1e0

1214898656 has 48 divisors (see below), whose sum is σ = 2438331840. Its totient is φ = 595745280.

The previous prime is 1214898647. The next prime is 1214898661. The reversal of 1214898656 is 6568984121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395366 + ... + 398426.

It is an arithmetic number, because the mean of its divisors is an integer number (50798580).

Almost surely, 21214898656 is an apocalyptic number.

1214898656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1214898656 is an abundant number, since it is smaller than the sum of its proper divisors (1223433184).

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

1214898656 is a wasteful number, since it uses less digits than its factorization.

1214898656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3307 (or 3299 counting only the distinct ones).

The product of its digits is 829440, while the sum is 50.

The square root of 1214898656 is about 34855.3963684248. The cubic root of 1214898656 is about 1067.0383222262.

The spelling of 1214898656 in words is "one billion, two hundred fourteen million, eight hundred ninety-eight thousand, six hundred fifty-six".

Divisors: 1 2 4 8 16 32 79 157 158 314 316 628 632 1256 1264 2512 2528 3061 5024 6122 12244 12403 24488 24806 48976 49612 97952 99224 198448 241819 396896 480577 483638 961154 967276 1922308 1934552 3844616 3869104 7689232 7738208 15378464 37965583 75931166 151862332 303724664 607449328 1214898656