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1130821944 = 23376731083
BaseRepresentation
bin100001101100110…
…1111100100111000
32220210211201002020
41003121233210320
54303442300234
6304113234440
740010553660
oct10331574470
92823751066
101130821944
1153035729a
12276862a20
13150382b15
14aa2831a0
1569423549
hex4366f938

1130821944 has 32 divisors (see below), whose sum is σ = 3230920320. Its totient is φ = 323091936.

The previous prime is 1130821919. The next prime is 1130821949. The reversal of 1130821944 is 4491280311.

It is a happy number.

1130821944 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130821949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3365374 + ... + 3365709.

It is an arithmetic number, because the mean of its divisors is an integer number (100966260).

Almost surely, 21130821944 is an apocalyptic number.

1130821944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1130821944 is an abundant number, since it is smaller than the sum of its proper divisors (2100098376).

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

1130821944 is a wasteful number, since it uses less digits than its factorization.

1130821944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6731099 (or 6731095 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1130821944 is about 33627.6960852212. The cubic root of 1130821944 is about 1041.8329191056.

The spelling of 1130821944 in words is "one billion, one hundred thirty million, eight hundred twenty-one thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 6731083 13462166 20193249 26924332 40386498 47117581 53848664 80772996 94235162 141352743 161545992 188470324 282705486 376940648 565410972 1130821944