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103811140 = 2256777471
BaseRepresentation
bin1100011000000…
…00100001000100
321020100011010001
412030000201010
5203033424030
614145011044
72400244246
oct614004104
9236304101
10103811140
1153664934
122a923a84
1318679414
14db04096
1591a8cca
hex6300844

103811140 has 24 divisors (see below), whose sum is σ = 221260032. Its totient is φ = 40904160.

The previous prime is 103811137. The next prime is 103811189. The reversal of 103811140 is 41118301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37396 + ... + 40075.

It is an arithmetic number, because the mean of its divisors is an integer number (9219168).

Almost surely, 2103811140 is an apocalyptic number.

103811140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103811140 is an abundant number, since it is smaller than the sum of its proper divisors (117448892).

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

103811140 is a wasteful number, since it uses less digits than its factorization.

103811140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77547 (or 77545 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 103811140 is about 10188.7751962638. The cubic root of 103811140 is about 469.9821028344.

Adding to 103811140 its reverse (41118301), we get a palindrome (144929441).

The spelling of 103811140 in words is "one hundred three million, eight hundred eleven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 77471 154942 309884 387355 774710 1549420 5190557 10381114 20762228 25952785 51905570 103811140