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2978276 = 227106367
BaseRepresentation
bin1011010111000111100100
312121022102112
423113013210
51230301101
6143500152
734213010
oct13270744
95538375
102978276
111754694
12bb7658
138037c2
14577540
153dc6bb
hex2d71e4

2978276 has 12 divisors (see below), whose sum is σ = 5956608. Its totient is φ = 1276392.

The previous prime is 2978273. The next prime is 2978299. The reversal of 2978276 is 6728792.

2978276 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2978273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53156 + ... + 53211.

It is an arithmetic number, because the mean of its divisors is an integer number (496384).

22978276 is an apocalyptic number.

It is an amenable number.

2978276 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2978276 is a wasteful number, since it uses less digits than its factorization.

2978276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106378 (or 106376 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The square root of 2978276 is about 1725.7682347291. The cubic root of 2978276 is about 143.8759863363.

The spelling of 2978276 in words is "two million, nine hundred seventy-eight thousand, two hundred seventy-six".

Divisors: 1 2 4 7 14 28 106367 212734 425468 744569 1489138 2978276