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2978106 = 231373623
BaseRepresentation
bin1011010111000100111010
312121022012020
423113010322
51230244411
6143455310
734212345
oct13270472
95538166
102978106
11175454a
12bb7536
138036c1
1457745c
153dc606
hex2d713a

2978106 has 16 divisors (see below), whose sum is σ = 6001344. Its totient is φ = 985184.

The previous prime is 2978089. The next prime is 2978113. The reversal of 2978106 is 6018792.

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990 + ... + 2633.

It is an arithmetic number, because the mean of its divisors is an integer number (375084).

22978106 is an apocalyptic number.

2978106 is an abundant number, since it is smaller than the sum of its proper divisors (3023238).

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

2978106 is a wasteful number, since it uses less digits than its factorization.

2978106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3765.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 2978106 is about 1725.7189805991. The cubic root of 2978106 is about 143.8732488037.

The spelling of 2978106 in words is "two million, nine hundred seventy-eight thousand, one hundred six".

Divisors: 1 2 3 6 137 274 411 822 3623 7246 10869 21738 496351 992702 1489053 2978106