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107782840 = 23511487503
BaseRepresentation
bin1100110110010…
…10001010111000
321111210221021001
412123022022320
5210043022330
614410054344
72446065454
oct633121270
9244727231
10107782840
1155927930
123011a3b4
131943a139
1410459664
1596e09ca
hex66ca2b8

107782840 has 64 divisors (see below), whose sum is σ = 265628160. Its totient is φ = 39035520.

The previous prime is 107782823. The next prime is 107782849. The reversal of 107782840 is 48287701.

It is a self number, because there is not a number n which added to its sum of digits gives 107782840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107782849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214029 + ... + 214531.

It is an arithmetic number, because the mean of its divisors is an integer number (4150440).

Almost surely, 2107782840 is an apocalyptic number.

107782840 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 107782840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132814080).

107782840 is an abundant number, since it is smaller than the sum of its proper divisors (157845320).

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

107782840 is a wasteful number, since it uses less digits than its factorization.

107782840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 107782840 is about 10381.8514726421. The cubic root of 107782840 is about 475.9009162216.

The spelling of 107782840 in words is "one hundred seven million, seven hundred eighty-two thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 487 503 974 1006 1948 2012 2435 2515 3896 4024 4870 5030 5357 5533 9740 10060 10714 11066 19480 20120 21428 22132 26785 27665 42856 44264 53570 55330 107140 110660 214280 221320 244961 489922 979844 1224805 1959688 2449610 2694571 4899220 5389142 9798440 10778284 13472855 21556568 26945710 53891420 107782840