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3124340 = 225156217
BaseRepresentation
bin1011111010110001110100
312212201210022
423322301310
51244434330
6150544312
735361602
oct13726164
95781708
103124340
1118443aa
121068098
1385512b
145b4872
1541aae5
hex2fac74

3124340 has 12 divisors (see below), whose sum is σ = 6561156. Its totient is φ = 1249728.

The previous prime is 3124321. The next prime is 3124361. The reversal of 3124340 is 434213.

It can be written as a sum of positive squares in 2 ways, for example, as 795664 + 2328676 = 892^2 + 1526^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78089 + ... + 78128.

It is an arithmetic number, because the mean of its divisors is an integer number (546763).

Almost surely, 23124340 is an apocalyptic number.

It is an amenable number.

3124340 is an abundant number, since it is smaller than the sum of its proper divisors (3436816).

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

3124340 is a wasteful number, since it uses less digits than its factorization.

3124340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156226 (or 156224 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3124340 is about 1767.5802669186. The cubic root of 3124340 is about 146.1905936435.

Adding to 3124340 its reverse (434213), we get a palindrome (3558553).

The spelling of 3124340 in words is "three million, one hundred twenty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 156217 312434 624868 781085 1562170 3124340