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2742395 = 5643853
BaseRepresentation
bin1010011101100001111011
312011022212012
422131201323
51200224040
6134440135
732211215
oct12354173
95138765
102742395
111603447
12b0304b
13750326
145155b5
15392865
hex29d87b

2742395 has 8 divisors (see below), whose sum is σ = 3299856. Its totient is φ = 2187936.

The previous prime is 2742371. The next prime is 2742407. The reversal of 2742395 is 5932472.

It is a happy number.

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 2742395 - 28 = 2742139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2789 + ... + 3641.

It is an arithmetic number, because the mean of its divisors is an integer number (412482).

22742395 is an apocalyptic number.

2742395 is a deficient number, since it is larger than the sum of its proper divisors (557461).

2742395 is an equidigital number, since it uses as much as digits as its factorization.

With its successor (2742396) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (1501).

2742395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501.

The product of its digits is 15120, while the sum is 32.

The square root of 2742395 is about 1656.0178139138. The cubic root of 2742395 is about 139.9726987580.

The spelling of 2742395 in words is "two million, seven hundred forty-two thousand, three hundred ninety-five".

Divisors: 1 5 643 853 3215 4265 548479 2742395