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107210520 = 23335531873
BaseRepresentation
bin1100110001111…
…10011100011000
321110201212012000
412120332130120
5204421214040
614345521000
72441163054
oct630763430
9243655160
10107210520
115557693a
122baa3160
13192997a1
141034ac64
15962b130
hex663e718

107210520 has 128 divisors (see below), whose sum is σ = 364305600. Its totient is φ = 28035072.

The previous prime is 107210513. The next prime is 107210527. The reversal of 107210520 is 25012701.

It is an interprime number because it is at equal distance from previous prime (107210513) and next prime (107210527).

It is a super-2 number, since 2×1072105202 = 22988191197340800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 107210493 and 107210502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107210527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56304 + ... + 58176.

Almost surely, 2107210520 is an apocalyptic number.

107210520 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 107210520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182152800).

107210520 is an abundant number, since it is smaller than the sum of its proper divisors (257095080).

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

107210520 is a wasteful number, since it uses less digits than its factorization.

107210520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946 (or 1936 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 107210520 is about 10354.2513007943. The cubic root of 107210520 is about 475.0570863984.

The spelling of 107210520 in words is "one hundred seven million, two hundred ten thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 53 54 60 72 90 106 108 120 135 159 180 212 216 265 270 318 360 424 477 530 540 636 795 954 1060 1080 1272 1431 1590 1873 1908 2120 2385 2862 3180 3746 3816 4770 5619 5724 6360 7155 7492 9365 9540 11238 11448 14310 14984 16857 18730 19080 22476 28095 28620 33714 37460 44952 50571 56190 57240 67428 74920 84285 99269 101142 112380 134856 168570 198538 202284 224760 252855 297807 337140 397076 404568 496345 505710 595614 674280 794152 893421 992690 1011420 1191228 1489035 1786842 1985380 2022840 2382456 2680263 2978070 3573684 3970760 4467105 5360526 5956140 7147368 8934210 10721052 11912280 13401315 17868420 21442104 26802630 35736840 53605260 107210520