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1094081980 = 2254710611097
BaseRepresentation
bin100000100110110…
…0101110110111100
32211020201010022211
41001031211312330
54220041110410
6300321550204
736053354245
oct10115456674
92736633284
101094081980
11511642a92
122664a5364
1314588b0b4
14a543bccc
15660b768a
hex41365dbc

1094081980 has 48 divisors (see below), whose sum is σ = 2350809216. Its totient is φ = 427527680.

The previous prime is 1094081939. The next prime is 1094081999. The reversal of 1094081980 is 891804901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 996792 + ... + 997888.

It is an arithmetic number, because the mean of its divisors is an integer number (48975192).

Almost surely, 21094081980 is an apocalyptic number.

1094081980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1094081980 is an abundant number, since it is smaller than the sum of its proper divisors (1256727236).

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

1094081980 is a wasteful number, since it uses less digits than its factorization.

1094081980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214 (or 2212 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 1094081980 is about 33076.9100733427. The cubic root of 1094081980 is about 1030.4255570200.

The spelling of 1094081980 in words is "one billion, ninety-four million, eighty-one thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 1061 1097 2122 2194 4244 4388 5305 5485 10610 10970 21220 21940 49867 51559 99734 103118 199468 206236 249335 257795 498670 515590 997340 1031180 1163917 2327834 4655668 5819585 11639170 23278340 54704099 109408198 218816396 273520495 547040990 1094081980