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107780904 = 233271119441
BaseRepresentation
bin1100110110010…
…01101100101000
321111210211121100
412123021230220
5210042442104
614410041400
72446060020
oct633115450
9244724540
10107780904
1155926430
1230119260
13194392aa
1410458a80
1596e0139
hex66c9b28

107780904 has 96 divisors (see below), whose sum is σ = 363954240. Its totient is φ = 27993600.

The previous prime is 107780887. The next prime is 107780909. The reversal of 107780904 is 409087701.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107780909) 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 23 ways as a sum of consecutive naturals, for example, 4177 + ... + 15264.

It is an arithmetic number, because the mean of its divisors is an integer number (3791190).

Almost surely, 2107780904 is an apocalyptic number.

107780904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

107780904 is an abundant number, since it is smaller than the sum of its proper divisors (256173336).

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

107780904 is a wasteful number, since it uses less digits than its factorization.

107780904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19471 (or 19464 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 107780904 is about 10381.7582325924. The cubic root of 107780904 is about 475.8980668203.

The spelling of 107780904 in words is "one hundred seven million, seven hundred eighty thousand, nine hundred four".

Divisors: 1 2 3 4 6 7 8 9 11 12 14 18 21 22 24 28 33 36 42 44 56 63 66 72 77 84 88 99 126 132 154 168 198 231 252 264 308 396 462 504 616 693 792 924 1386 1848 2772 5544 19441 38882 58323 77764 116646 136087 155528 174969 213851 233292 272174 349938 408261 427702 466584 544348 641553 699876 816522 855404 1088696 1224783 1283106 1399752 1496957 1633044 1710808 1924659 2449566 2566212 2993914 3266088 3849318 4490871 4899132 5132424 5987828 7698636 8981742 9798264 11975656 13472613 15397272 17963484 26945226 35926968 53890452 107780904