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299527690 = 25721161911
BaseRepresentation
bin10001110110100…
…110111000001010
3202212121120202011
4101312212320022
51103134341230
645415530134
710264641400
oct2166467012
9685546664
10299527690
11144091650
128438994a
134a093b27
142bacd470
151b468e2a
hex11da6e0a

299527690 has 96 divisors (see below), whose sum is σ = 696169728. Its totient is φ = 91728000.

The previous prime is 299527651. The next prime is 299527699. The reversal of 299527690 is 96725992.

It is a super-2 number, since 2×2995276902 = 179433674153472200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (299527699) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 328335 + ... + 329245.

It is an arithmetic number, because the mean of its divisors is an integer number (7251768).

Almost surely, 2299527690 is an apocalyptic number.

299527690 is an abundant number, since it is smaller than the sum of its proper divisors (396642038).

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

299527690 is a wasteful number, since it uses less digits than its factorization.

299527690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 299527690 is about 17306.8682897860. The cubic root of 299527690 is about 669.0814545826.

The spelling of 299527690 in words is "two hundred ninety-nine million, five hundred twenty-seven thousand, six hundred ninety".

Divisors: 1 2 5 7 10 11 14 22 35 49 55 61 70 77 98 110 122 154 245 305 385 427 490 539 610 671 770 854 911 1078 1342 1822 2135 2695 2989 3355 4270 4555 4697 5390 5978 6377 6710 9110 9394 10021 12754 14945 20042 23485 29890 31885 32879 44639 46970 50105 55571 63770 65758 70147 89278 100210 111142 140294 164395 223195 277855 328790 350735 388997 446390 491029 555710 611281 701470 777994 982058 1222562 1944985 2455145 2722979 3056405 3889970 4278967 4910290 5445958 6112810 8557934 13614895 21394835 27229790 29952769 42789670 59905538 149763845 299527690