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2978196 = 22313171123
BaseRepresentation
bin1011010111000110010100
312121022022120
423113012110
51230300241
6143455540
734212534
oct13270624
95538276
102978196
111754621
12bb75b0
13803760
145774c4
153dc666
hex2d7194

2978196 has 48 divisors (see below), whose sum is σ = 7930944. Its totient is φ = 861696.

The previous prime is 2978189. The next prime is 2978197. The reversal of 2978196 is 6918792.

2978196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2091 + ... + 3213.

It is an arithmetic number, because the mean of its divisors is an integer number (165228).

22978196 is an apocalyptic number.

2978196 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2978196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3965472).

2978196 is an abundant number, since it is smaller than the sum of its proper divisors (4952748).

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

2978196 is a wasteful number, since it uses less digits than its factorization.

2978196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160 (or 1158 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The square root of 2978196 is about 1725.7450564901. The cubic root of 2978196 is about 143.8746980987.

The spelling of 2978196 in words is "two million, nine hundred seventy-eight thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 13 17 26 34 39 51 52 68 78 102 156 204 221 442 663 884 1123 1326 2246 2652 3369 4492 6738 13476 14599 19091 29198 38182 43797 57273 58396 76364 87594 114546 175188 229092 248183 496366 744549 992732 1489098 2978196