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107731305 = 325111032113
BaseRepresentation
bin1100110101111…
…01100101101001
321111201022120100
412122331211221
5210034400210
614405020013
72445462303
oct632754551
9244638510
10107731305
11558a2140
12300b4609
131941c846
1410444973
1596d05c0
hex66bd969

107731305 has 48 divisors (see below), whose sum is σ = 205785216. Its totient is φ = 51701760.

The previous prime is 107731301. The next prime is 107731319. The reversal of 107731305 is 503137701.

It is not a de Polignac number, because 107731305 - 22 = 107731301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (107731301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49929 + ... + 52041.

It is an arithmetic number, because the mean of its divisors is an integer number (4287192).

Almost surely, 2107731305 is an apocalyptic number.

107731305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

107731305 is a deficient number, since it is larger than the sum of its proper divisors (98053911).

107731305 is a wasteful number, since it uses less digits than its factorization.

107731305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238 (or 2235 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 27.

The square root of 107731305 is about 10379.3692004861. The cubic root of 107731305 is about 475.8250554642.

The spelling of 107731305 in words is "one hundred seven million, seven hundred thirty-one thousand, three hundred five".

Divisors: 1 3 5 9 11 15 33 45 55 99 103 165 309 495 515 927 1133 1545 2113 3399 4635 5665 6339 10197 10565 16995 19017 23243 31695 50985 69729 95085 116215 209187 217639 348645 652917 1045935 1088195 1958751 2394029 3264585 7182087 9793755 11970145 21546261 35910435 107731305