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2102419 = 111311459
BaseRepresentation
bin1000000001010010010011
310221210222101
420001102103
51014234134
6113021231
723604334
oct10012223
93853871
102102419
111206640
12854817
13587c47
143ca28b
152b7e14
hex201493

2102419 has 8 divisors (see below), whose sum is σ = 2312640. Its totient is φ = 1895400.

The previous prime is 2102417. The next prime is 2102431. The reversal of 2102419 is 9142012.

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 2102419 - 21 = 2102417 is a prime.

It is a super-2 number, since 2×21024192 = 8840331303122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2102396 and 2102405.

It is not an unprimeable number, because it can be changed into a prime (2102411) 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, 712 + ... + 2170.

It is an arithmetic number, because the mean of its divisors is an integer number (289080).

22102419 is an apocalyptic number.

2102419 is a deficient number, since it is larger than the sum of its proper divisors (210221).

2102419 is a wasteful number, since it uses less digits than its factorization.

2102419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2102419 is about 1449.9720686965. The cubic root of 2102419 is about 128.1070678056.

Subtracting from 2102419 its product of nonzero digits (144), we obtain a triangular number (2102275 = T2050).

The spelling of 2102419 in words is "two million, one hundred two thousand, four hundred nineteen".

Divisors: 1 11 131 1441 1459 16049 191129 2102419