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2986974 = 2323153101
BaseRepresentation
bin1011011001001111011110
312121202100200
423121033132
51231040344
6144004330
734250244
oct13311736
95552320
102986974
111760181
1210006a6
13807753
1457a794
153e0069
hex2d93de

2986974 has 48 divisors (see below), whose sum is σ = 6873984. Its totient is φ = 936000.

The previous prime is 2986969. The next prime is 2986979. The reversal of 2986974 is 4796892.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2986969) and next prime (2986979).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2986979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29524 + ... + 29624.

It is an arithmetic number, because the mean of its divisors is an integer number (143208).

22986974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2986974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3436992).

2986974 is an abundant number, since it is smaller than the sum of its proper divisors (3887010).

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

2986974 is a wasteful number, since it uses less digits than its factorization.

2986974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 190 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 2986974 is about 1728.2864345935. The cubic root of 2986974 is about 144.0159125934.

The spelling of 2986974 in words is "two million, nine hundred eighty-six thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 9 18 31 53 62 93 101 106 159 186 202 279 303 318 477 558 606 909 954 1643 1818 3131 3286 4929 5353 6262 9393 9858 10706 14787 16059 18786 28179 29574 32118 48177 56358 96354 165943 331886 497829 995658 1493487 2986974