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2906730 = 232532297
BaseRepresentation
bin1011000101101001101010
312110200021200
423011221222
51221003410
6142145030
733464301
oct13055152
95420250
102906730
111705962
12b82176
137aa078
14559438
153c63c0
hex2c5a6a

2906730 has 24 divisors (see below), whose sum is σ = 7557732. Its totient is φ = 775104.

The previous prime is 2906723. The next prime is 2906741. The reversal of 2906730 is 376092.

2906730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2752281 + 154449 = 1659^2 + 393^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2906694 and 2906703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16059 + ... + 16238.

22906730 is an apocalyptic number.

2906730 is an abundant number, since it is smaller than the sum of its proper divisors (4651002).

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

2906730 is a wasteful number, since it uses less digits than its factorization.

2906730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32310 (or 32307 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 2906730 is about 1704.9134875412. The cubic root of 2906730 is about 142.7145429423.

The spelling of 2906730 in words is "two million, nine hundred six thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 32297 64594 96891 161485 193782 290673 322970 484455 581346 968910 1453365 2906730