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4070990 = 2571117311
BaseRepresentation
bin1111100001111001001110
321122211100102
433201321032
52020232430
6223131102
746413530
oct17417116
97584312
104070990
112330660
121443a92
13ac6c91
1477d850
15556345
hex3e1e4e

4070990 has 64 divisors (see below), whose sum is σ = 9704448. Its totient is φ = 1190400.

The previous prime is 4070981. The next prime is 4071017. The reversal of 4070990 is 990704.

4070990 = T60 + T61 + ... + T290.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12935 + ... + 13245.

It is an arithmetic number, because the mean of its divisors is an integer number (151632).

Almost surely, 24070990 is an apocalyptic number.

4070990 is an abundant number, since it is smaller than the sum of its proper divisors (5633458).

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

4070990 is a wasteful number, since it uses less digits than its factorization.

4070990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 4070990 is about 2017.6694476549. The cubic root of 4070990 is about 159.6736838970.

The spelling of 4070990 in words is "four million, seventy thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 11 14 17 22 34 35 55 70 77 85 110 119 154 170 187 238 311 374 385 595 622 770 935 1190 1309 1555 1870 2177 2618 3110 3421 4354 5287 6545 6842 10574 10885 13090 17105 21770 23947 26435 34210 37009 47894 52870 58157 74018 116314 119735 185045 239470 290785 370090 407099 581570 814198 2035495 4070990