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2231400892 = 2271741432659
BaseRepresentation
bin1000010100000000…
…0111100110111100
312202111202220120111
42011000013212330
514032214312032
61005230355404
7106203410650
oct20500074674
95674686514
102231400892
11a45627576
1252335bb64
132973a7176
141724d2a60
15d0d70c47
hex850079bc

2231400892 has 96 divisors (see below), whose sum is σ = 4955005440. Its totient is φ = 857364480.

The previous prime is 2231400887. The next prime is 2231400917. The reversal of 2231400892 is 2980041322.

It is a super-3 number, since 3×22314008923 (a number of 29 digits) contains 333 as substring.

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 31 ways as a sum of consecutive naturals, for example, 837859 + ... + 840517.

It is an arithmetic number, because the mean of its divisors is an integer number (51614640).

Almost surely, 22231400892 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 2231400892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2477502720).

2231400892 is an abundant number, since it is smaller than the sum of its proper divisors (2723604548).

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

2231400892 is a wasteful number, since it uses less digits than its factorization.

2231400892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771 (or 2769 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2231400892 is about 47237.7062525267. The cubic root of 2231400892 is about 1306.7500762677.

The spelling of 2231400892 in words is "two billion, two hundred thirty-one million, four hundred thousand, eight hundred ninety-two".

Divisors: 1 2 4 7 14 17 28 34 41 43 68 82 86 119 164 172 238 287 301 476 574 602 697 731 1148 1204 1394 1462 1763 2659 2788 2924 3526 4879 5117 5318 7052 9758 10234 10636 12341 18613 19516 20468 24682 29971 37226 45203 49364 59942 74452 90406 109019 114337 119884 180812 209797 218038 228674 316421 419594 436076 457348 632842 763133 800359 839188 1265684 1526266 1600718 1853323 1943729 3052532 3201436 3706646 3887458 4687817 7413292 7774916 9375634 12973261 13606103 18751268 25946522 27212206 32814719 51893044 54424412 65629438 79692889 131258876 159385778 318771556 557850223 1115700446 2231400892