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3539680949 = 7539540919
BaseRepresentation
bin1101001011111011…
…0011111010110101
3100010200112102102102
43102332303322311
524222124242244
61343123351445
7153500535350
oct32276637265
910120472372
103539680949
11155706a762
12829522585
13445450b8c
1425816b297
1515ab4954e
hexd2fb3eb5

3539680949 has 8 divisors (see below), whose sum is σ = 4121677440. Its totient is φ = 2976766416.

The previous prime is 3539680913. The next prime is 3539680973. The reversal of 3539680949 is 9490869353.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3539680949 - 212 = 3539676853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3539680894 and 3539680903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3539680349) 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, 4770089 + ... + 4770830.

It is an arithmetic number, because the mean of its divisors is an integer number (515209680).

Almost surely, 23539680949 is an apocalyptic number.

It is an amenable number.

3539680949 is a deficient number, since it is larger than the sum of its proper divisors (581996491).

3539680949 is an equidigital number, since it uses as much as digits as its factorization.

3539680949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9540979.

The product of its (nonzero) digits is 6298560, while the sum is 56.

The square root of 3539680949 is about 59495.2178666487. The cubic root of 3539680949 is about 1524.0107817740.

The spelling of 3539680949 in words is "three billion, five hundred thirty-nine million, six hundred eighty thousand, nine hundred forty-nine".

Divisors: 1 7 53 371 9540919 66786433 505668707 3539680949