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2101379 = 7893373
BaseRepresentation
bin1000000001000010000011
310221202112212
420001002003
51014221004
6113012335
723601320
oct10010203
93852485
102101379
111205885
128540ab
13587627
143c9b47
152b796e
hex201083

2101379 has 8 divisors (see below), whose sum is σ = 2429280. Its totient is φ = 1780416.

The previous prime is 2101357. The next prime is 2101391. The reversal of 2101379 is 9731012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2101379 - 28 = 2101123 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2181379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1064 + ... + 2309.

It is an arithmetic number, because the mean of its divisors is an integer number (303660).

22101379 is an apocalyptic number.

2101379 is a deficient number, since it is larger than the sum of its proper divisors (327901).

2101379 is an equidigital number, since it uses as much as digits as its factorization.

2101379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 2101379 is about 1449.6133967372. The cubic root of 2101379 is about 128.0859408205.

The spelling of 2101379 in words is "two million, one hundred one thousand, three hundred seventy-nine".

Divisors: 1 7 89 623 3373 23611 300197 2101379