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2905072 = 24315857
BaseRepresentation
bin1011000101001111110000
312110121000021
423011033300
51220430242
6142133224
733456412
oct13051760
95417007
102905072
111704695
12b81214
137a93a1
145589b2
153c5b67
hex2c53f0

2905072 has 20 divisors (see below), whose sum is σ = 5811136. Its totient is φ = 1405440.

The previous prime is 2905069. The next prime is 2905073. The reversal of 2905072 is 2705092.

2905072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2905072 is an admirable number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2905073) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2433 + ... + 3424.

22905072 is an apocalyptic number.

It is an amenable number.

2905072 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2905072 is a wasteful number, since it uses less digits than its factorization.

2905072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5896 (or 5890 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 2905072 is about 1704.4271765024. The cubic root of 2905072 is about 142.6874029699.

The spelling of 2905072 in words is "two million, nine hundred five thousand, seventy-two".

Divisors: 1 2 4 8 16 31 62 124 248 496 5857 11714 23428 46856 93712 181567 363134 726268 1452536 2905072