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889849044 = 223378871327
BaseRepresentation
bin110101000010100…
…000010011010100
32022000102000102000
4311002200103110
53310300132134
6224144315300
731023410040
oct6502402324
92260360360
10889849044
11417329837
1220a012b30
131124811c6
1486277020
15531c3e99
hex350a04d4

889849044 has 96 divisors (see below), whose sum is σ = 2641551360. Its totient is φ = 253764576.

The previous prime is 889849031. The next prime is 889849067. The reversal of 889849044 is 440948988.

It is a super-2 number, since 2×8898490442 = 1583662642215427872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 669909 + ... + 671235.

It is an arithmetic number, because the mean of its divisors is an integer number (27516160).

Almost surely, 2889849044 is an apocalyptic number.

889849044 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 889849044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1320775680).

889849044 is an abundant number, since it is smaller than the sum of its proper divisors (1751702316).

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

889849044 is a wasteful number, since it uses less digits than its factorization.

889849044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234 (or 2226 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The square root of 889849044 is about 29830.3376447535. The cubic root of 889849044 is about 961.8457847865.

The spelling of 889849044 in words is "eight hundred eighty-nine million, eight hundred forty-nine thousand, forty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 887 1327 1774 2654 2661 3548 3981 5308 5322 6209 7962 7983 9289 10644 11943 12418 15924 15966 18578 18627 23886 23949 24836 27867 31932 35829 37156 37254 47772 47898 55734 55881 71658 74508 83601 95796 111468 111762 143316 167202 167643 223524 250803 334404 335286 501606 670572 1003212 1177049 2354098 3531147 4708196 7062294 8239343 10593441 14124588 16478686 21186882 24718029 31780323 32957372 42373764 49436058 63560646 74154087 98872116 127121292 148308174 222462261 296616348 444924522 889849044