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3489293809 = 17212073681
BaseRepresentation
bin1100111111111010…
…0110010111110001
3100000011201111021001
43033332212113301
524121224400214
61334123402001
7152316336151
oct31776462761
910004644231
103489293809
1115306850a1
12814683301
13437b8b4c1
142515b2761
151564e4c74
hexcffa65f1

3489293809 has 6 divisors (see below), whose sum is σ = 3706620374. Its totient is φ = 3284040960.

The previous prime is 3489293789. The next prime is 3489293827. The reversal of 3489293809 is 9083929843.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1528575409 + 1960718400 = 39097^2 + 44280^2 .

It is not a de Polignac number, because 3489293809 - 25 = 3489293777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3489293809.

It is not an unprimeable number, because it can be changed into a prime (3489293909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6036552 + ... + 6037129.

Almost surely, 23489293809 is an apocalyptic number.

It is an amenable number.

3489293809 is a deficient number, since it is larger than the sum of its proper divisors (217326565).

3489293809 is a wasteful number, since it uses less digits than its factorization.

3489293809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12073715 (or 12073698 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 55.

The square root of 3489293809 is about 59070.2447006951. The cubic root of 3489293809 is about 1516.7447951434.

The spelling of 3489293809 in words is "three billion, four hundred eighty-nine million, two hundred ninety-three thousand, eight hundred nine".

Divisors: 1 17 289 12073681 205252577 3489293809