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2106525740 = 2251194710111
BaseRepresentation
bin111110110001111…
…0000100000101100
312102210210121001212
41331203300200230
513303232310430
6545010053552
7103126113314
oct17543604054
95383717055
102106525740
11991095a70
124a957a2b8
13277564247
1415daa8444
15c4e05b95
hex7d8f082c

2106525740 has 48 divisors (see below), whose sum is σ = 4831432704. Its totient is φ = 765124800.

The previous prime is 2106525737. The next prime is 2106525769. The reversal of 2106525740 is 475256012.

It is a junction number, because it is equal to n+sod(n) for n = 2106525697 and 2106525706.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203285 + ... + 213395.

It is an arithmetic number, because the mean of its divisors is an integer number (100654848).

Almost surely, 22106525740 is an apocalyptic number.

2106525740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2106525740 is an abundant number, since it is smaller than the sum of its proper divisors (2724906964).

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

2106525740 is a wasteful number, since it uses less digits than its factorization.

2106525740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11078 (or 11076 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 2106525740 is about 45896.9033813829. The cubic root of 2106525740 is about 1281.9042579129.

The spelling of 2106525740 in words is "two billion, one hundred six million, five hundred twenty-five thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 947 1894 3788 4735 9470 10111 10417 18940 20222 20834 40444 41668 50555 52085 101110 104170 111221 202220 208340 222442 444884 556105 1112210 2224420 9575117 19150234 38300468 47875585 95751170 105326287 191502340 210652574 421305148 526631435 1053262870 2106525740