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106620920 = 23571931973
BaseRepresentation
bin1100101101011…
…10011111111000
321102121220101222
412112232133320
5204243332140
614325131212
72433156110
oct626563770
9242556358
10106620920
115520396a
122b859b08
1319121303
1410236040
1595615b5
hex65ae7f8

106620920 has 64 divisors (see below), whose sum is σ = 275728320. Its totient is φ = 36347904.

The previous prime is 106620911. The next prime is 106620967. The reversal of 106620920 is 29026601.

It is a super-2 number, since 2×1066209202 = 22736041163292800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106620920.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53054 + ... + 55026.

It is an arithmetic number, because the mean of its divisors is an integer number (4308255).

Almost surely, 2106620920 is an apocalyptic number.

106620920 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 106620920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137864160).

106620920 is an abundant number, since it is smaller than the sum of its proper divisors (169107400).

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

106620920 is a wasteful number, since it uses less digits than its factorization.

106620920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184 (or 2180 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 106620920 is about 10325.7406514012. The cubic root of 106620920 is about 474.1846325655.

The spelling of 106620920 in words is "one hundred six million, six hundred twenty thousand, nine hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 193 280 386 772 965 1351 1544 1930 1973 2702 3860 3946 5404 6755 7720 7892 9865 10808 13510 13811 15784 19730 27020 27622 39460 54040 55244 69055 78920 110488 138110 276220 380789 552440 761578 1523156 1903945 2665523 3046312 3807890 5331046 7615780 10662092 13327615 15231560 21324184 26655230 53310460 106620920