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3097940 = 225154897
BaseRepresentation
bin1011110100010101010100
312211101120112
423310111110
51243113230
6150222152
735221616
oct13642524
95741515
103097940
11182658a
121054958
13846101
145a8db6
15412d95
hex2f4554

3097940 has 12 divisors (see below), whose sum is σ = 6505716. Its totient is φ = 1239168.

The previous prime is 3097921. The next prime is 3097951. The reversal of 3097940 is 497903.

It is a happy number.

3097940 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 781456 + 2316484 = 884^2 + 1522^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3097897 and 3097906.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 77429 + ... + 77468.

It is an arithmetic number, because the mean of its divisors is an integer number (542143).

Almost surely, 23097940 is an apocalyptic number.

It is an amenable number.

3097940 is an abundant number, since it is smaller than the sum of its proper divisors (3407776).

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

3097940 is a wasteful number, since it uses less digits than its factorization.

3097940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154906 (or 154904 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 3097940 is about 1760.0965882587. The cubic root of 3097940 is about 145.7776687328. Note that the first 3 decimals are identical.

The spelling of 3097940 in words is "three million, ninety-seven thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 154897 309794 619588 774485 1548970 3097940