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296381690 = 251171137277
BaseRepresentation
bin10001101010100…
…110110011111010
3202122200202020122
4101222212303322
51101333203230
645224253242
710226126363
oct2152466372
9678622218
10296381690
11142332a50
1283311222
1349531ba7
142b510b6a
151b046be5
hex11aa6cfa

296381690 has 64 divisors (see below), whose sum is σ = 596636928. Its totient is φ = 105100800.

The previous prime is 296381677. The next prime is 296381699. The reversal of 296381690 is 96183692.

It is a super-2 number, since 2×2963816902 = 175684212334512200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (296381699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1069832 + ... + 1070108.

It is an arithmetic number, because the mean of its divisors is an integer number (9322452).

Almost surely, 2296381690 is an apocalyptic number.

296381690 is an abundant number, since it is smaller than the sum of its proper divisors (300255238).

296381690 is a wasteful number, since it uses less digits than its factorization.

296381690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 296381690 is about 17215.7396007258. The cubic root of 296381690 is about 666.7307057927.

The spelling of 296381690 in words is "two hundred ninety-six million, three hundred eighty-one thousand, six hundred ninety".

Divisors: 1 2 5 10 11 22 55 71 110 137 142 274 277 355 554 685 710 781 1370 1385 1507 1562 2770 3014 3047 3905 6094 7535 7810 9727 15070 15235 19454 19667 30470 37949 39334 48635 75898 97270 98335 106997 189745 196670 213994 216337 379490 417439 432674 534985 834878 1069970 1081685 2087195 2163370 2694379 4174390 5388758 13471895 26943790 29638169 59276338 148190845 296381690