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1008404380 = 225107471217
BaseRepresentation
bin111100000110110…
…000011110011100
32121021111020202101
4330012300132130
54031122420010
6244021334444
733663203314
oct7406603634
92537436671
101008404380
11478244155
12241867424
13130bc06a9
1497cd8444
155d7e173a
hex3c1b079c

1008404380 has 24 divisors (see below), whose sum is σ = 2137444848. Its totient is φ = 399591168.

The previous prime is 1008404377. The next prime is 1008404393. The reversal of 1008404380 is 834048001.

1008404380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233469 + ... + 237748.

It is an arithmetic number, because the mean of its divisors is an integer number (89060202).

Almost surely, 21008404380 is an apocalyptic number.

1008404380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1008404380 is an abundant number, since it is smaller than the sum of its proper divisors (1129040468).

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

1008404380 is a wasteful number, since it uses less digits than its factorization.

1008404380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471333 (or 471331 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 1008404380 is about 31755.3834806006. The cubic root of 1008404380 is about 1002.7936482617.

The spelling of 1008404380 in words is "one billion, eight million, four hundred four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 107 214 428 535 1070 2140 471217 942434 1884868 2356085 4712170 9424340 50420219 100840438 201680876 252101095 504202190 1008404380