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2054745 = 325711593
BaseRepresentation
bin111110101101001011001
310212101120200
413311221121
51011222440
6112012413
723315340
oct7655131
93771520
102054745
111183840
12831109
1356c334
143b6b57
152a8c30
hex1f5a59

2054745 has 48 divisors (see below), whose sum is σ = 4447872. Its totient is φ = 852480.

The previous prime is 2054729. The next prime is 2054749. The reversal of 2054745 is 5474502.

It is not a de Polignac number, because 2054745 - 24 = 2054729 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054749) 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 47 ways as a sum of consecutive naturals, for example, 3169 + ... + 3761.

It is an arithmetic number, because the mean of its divisors is an integer number (92664).

22054745 is an apocalyptic number.

It is an amenable number.

2054745 is an abundant number, since it is smaller than the sum of its proper divisors (2393127).

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

2054745 is a wasteful number, since it uses less digits than its factorization.

2054745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 2054745 is about 1433.4381744603. The cubic root of 2054745 is about 127.1313457093.

It can be divided in two parts, 205 and 4745, that added together give a triangular number (4950 = T99).

The spelling of 2054745 in words is "two million, fifty-four thousand, seven hundred forty-five".

Divisors: 1 3 5 7 9 11 15 21 33 35 45 55 63 77 99 105 165 231 315 385 495 593 693 1155 1779 2965 3465 4151 5337 6523 8895 12453 19569 20755 26685 32615 37359 45661 58707 62265 97845 136983 186795 228305 293535 410949 684915 2054745