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1073708780 = 2251710131267
BaseRepresentation
bin111111111111110…
…111111011101100
32202211101001112212
4333333313323230
54144332140110
6254313145552
735415242204
oct7777677354
92684331485
101073708780
11501098331
1225b6bb2b8
131415a6b51
14a2857404
15643e0e05
hex3fff7eec

1073708780 has 48 divisors (see below), whose sum is σ = 2411138016. Its totient is φ = 400204800.

The previous prime is 1073708761. The next prime is 1073708803. The reversal of 1073708780 is 878073701.

1073708780 = T144 + T145 + ... + T1860.

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, 18707 + ... + 49973.

It is an arithmetic number, because the mean of its divisors is an integer number (50232042).

Almost surely, 21073708780 is an apocalyptic number.

1073708780 is a gapful number since it is divisible by the number (10) 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 1073708780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1205569008).

1073708780 is an abundant number, since it is smaller than the sum of its proper divisors (1337429236).

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

1073708780 is a wasteful number, since it uses less digits than its factorization.

1073708780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31394 (or 31392 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 41.

The square root of 1073708780 is about 32767.4957846949. The cubic root of 1073708780 is about 1023.9894954875.

The spelling of 1073708780 in words is "one billion, seventy-three million, seven hundred eight thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 68 85 101 170 202 340 404 505 1010 1717 2020 3434 6868 8585 17170 31267 34340 62534 125068 156335 312670 531539 625340 1063078 2126156 2657695 3157967 5315390 6315934 10630780 12631868 15789835 31579670 53685439 63159340 107370878 214741756 268427195 536854390 1073708780