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2106260 = 225138101
BaseRepresentation
bin1000000010001110010100
310222000020122
420002032110
51014400020
6113051112
723621462
oct10021624
93860218
102106260
111209512
12856a98
13589910
143cb832
152b9125
hex202394

2106260 has 24 divisors (see below), whose sum is σ = 4763976. Its totient is φ = 777600.

The previous prime is 2106257. The next prime is 2106277. The reversal of 2106260 is 626012.

It can be written as a sum of positive squares in 4 ways, for example, as 498436 + 1607824 = 706^2 + 1268^2 .

It is a congruent number.

It is an unprimeable number.

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, 3791 + ... + 4310.

It is an arithmetic number, because the mean of its divisors is an integer number (198499).

22106260 is an apocalyptic number.

2106260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2106260 is an abundant number, since it is smaller than the sum of its proper divisors (2657716).

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

2106260 is a wasteful number, since it uses less digits than its factorization.

2106260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8123 (or 8121 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2106260 is about 1451.2959725707. The cubic root of 2106260 is about 128.1850351211.

The spelling of 2106260 in words is "two million, one hundred six thousand, two hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 8101 16202 32404 40505 81010 105313 162020 210626 421252 526565 1053130 2106260