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3291130 = 25397829
BaseRepresentation
bin1100100011011111111010
320012012120201
430203133322
51320304010
6154312414
736655063
oct14433772
96165521
103291130
111948747
12112870a
138b301b
1461956a
1545023a
hex3237fa

3291130 has 16 divisors (see below), whose sum is σ = 5946120. Its totient is φ = 1311552.

The previous prime is 3291109. The next prime is 3291137. The reversal of 3291130 is 311923.

It can be written as a sum of positive squares in 4 ways, for example, as 2927521 + 363609 = 1711^2 + 603^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3291098 and 3291107.

It is not an unprimeable number, because it can be changed into a prime (3291137) 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, 3556 + ... + 4384.

Almost surely, 23291130 is an apocalyptic number.

3291130 is a deficient number, since it is larger than the sum of its proper divisors (2654990).

3291130 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (3291129) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (1233).

3291130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 3291130 is about 1814.1471825626. The cubic root of 3291130 is about 148.7470446415.

The spelling of 3291130 in words is "three million, two hundred ninety-one thousand, one hundred thirty".

Divisors: 1 2 5 10 397 794 829 1658 1985 3970 4145 8290 329113 658226 1645565 3291130