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2054739 = 31740289
BaseRepresentation
bin111110101101001010011
310212101120110
413311221103
51011222424
6112012403
723315331
oct7655123
93771513
102054739
111183835
12831103
1356c32b
143b6b51
152a8c29
hex1f5a53

2054739 has 8 divisors (see below), whose sum is σ = 2900880. Its totient is φ = 1289216.

The previous prime is 2054729. The next prime is 2054749. The reversal of 2054739 is 9374502.

It is an interprime number because it is at equal distance from previous prime (2054729) and next prime (2054749).

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 2054739 - 25 = 2054707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2054719) by changing a digit.

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, 20094 + ... + 20195.

It is an arithmetic number, because the mean of its divisors is an integer number (362610).

22054739 is an apocalyptic number.

2054739 is a deficient number, since it is larger than the sum of its proper divisors (846141).

2054739 is a wasteful number, since it uses less digits than its factorization.

2054739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40309.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 2054739 is about 1433.4360815886. The cubic root of 2054739 is about 127.1312219651.

The spelling of 2054739 in words is "two million, fifty-four thousand, seven hundred thirty-nine".

Divisors: 1 3 17 51 40289 120867 684913 2054739