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2978074 = 211135367
BaseRepresentation
bin1011010111000100011010
312121022011001
423113010122
51230244244
6143455214
734212301
oct13270432
95538131
102978074
111754520
12bb750a
13803698
14577438
153dc5d4
hex2d711a

2978074 has 8 divisors (see below), whose sum is σ = 4873248. Its totient is φ = 1353660.

The previous prime is 2978071. The next prime is 2978089. The reversal of 2978074 is 4708792.

It is a happy number.

2978074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2978071) 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 3 ways as a sum of consecutive naturals, for example, 67662 + ... + 67705.

It is an arithmetic number, because the mean of its divisors is an integer number (609156).

22978074 is an apocalyptic number.

2978074 is a deficient number, since it is larger than the sum of its proper divisors (1895174).

2978074 is a wasteful number, since it uses less digits than its factorization.

2978074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135380.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 2978074 is about 1725.7097090762. The cubic root of 2978074 is about 143.8727334918.

The spelling of 2978074 in words is "two million, nine hundred seventy-eight thousand, seventy-four".

Divisors: 1 2 11 22 135367 270734 1489037 2978074