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2709072 = 24336271
BaseRepresentation
bin1010010101011001010000
312002122011000
422111121100
51143142242
6134022000
732012112
oct12253120
95078130
102709072
111590403
12aa7900
1373b102
145073b2
15387a4c
hex295650

2709072 has 40 divisors (see below), whose sum is σ = 7777280. Its totient is φ = 902880.

The previous prime is 2709061. The next prime is 2709073.

2709072 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×27090722 = 14678142202368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 (2709073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2704 + ... + 3567.

It is an arithmetic number, because the mean of its divisors is an integer number (194432).

22709072 is an apocalyptic number.

It is an amenable number.

2709072 is an abundant number, since it is smaller than the sum of its proper divisors (5068208).

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

2709072 is a wasteful number, since it uses less digits than its factorization.

2709072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6288 (or 6276 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 2709072 is about 1645.9258792546. The cubic root of 2709072 is about 139.4034480462.

The spelling of 2709072 in words is "two million, seven hundred nine thousand, seventy-two".