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2106770 = 25457461
BaseRepresentation
bin1000000010010110010010
310222000221112
420002112102
51014404040
6113053322
723623121
oct10022622
93860845
102106770
111209936
12857242
13589c13
143cbab8
152b9365
hex202592

2106770 has 16 divisors (see below), whose sum is σ = 3808728. Its totient is φ = 839040.

The previous prime is 2106749. The next prime is 2106773. The reversal of 2106770 is 776012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1857769 + 249001 = 1363^2 + 499^2 .

It is not an unprimeable number, because it can be changed into a prime (2106773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4340 + ... + 4800.

22106770 is an apocalyptic number.

2106770 is a deficient number, since it is larger than the sum of its proper divisors (1701958).

2106770 is a wasteful number, since it uses less digits than its factorization.

2106770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 2106770 is about 1451.4716669643. The cubic root of 2106770 is about 128.1953803289.

The spelling of 2106770 in words is "two million, one hundred six thousand, seven hundred seventy".

Divisors: 1 2 5 10 457 461 914 922 2285 2305 4570 4610 210677 421354 1053385 2106770