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299429620 = 22573168993
BaseRepresentation
bin10001110110001…
…110111011110100
3202212102121012221
4101312032323310
51103123221440
645413452124
710264052440
oct2166167364
9685377187
10299429620
111440249a6
1284341044
134a05b2b9
142baa5820
151b449d4a
hex11d8eef4

299429620 has 48 divisors (see below), whose sum is σ = 741823488. Its totient is φ = 99348480.

The previous prime is 299429609. The next prime is 299429623. The reversal of 299429620 is 26924992.

It is a super-3 number, since 3×2994296203 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299429623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30157 + ... + 38836.

It is an arithmetic number, because the mean of its divisors is an integer number (15454656).

Almost surely, 2299429620 is an apocalyptic number.

299429620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

299429620 is an abundant number, since it is smaller than the sum of its proper divisors (442393868).

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

299429620 is a wasteful number, since it uses less digits than its factorization.

299429620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69040 (or 69038 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 299429620 is about 17304.0347896090. The cubic root of 299429620 is about 669.0084240715.

The spelling of 299429620 in words is "two hundred ninety-nine million, four hundred twenty-nine thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 62 70 124 140 155 217 310 434 620 868 1085 2170 4340 68993 137986 275972 344965 482951 689930 965902 1379860 1931804 2138783 2414755 4277566 4829510 8555132 9659020 10693915 14971481 21387830 29942962 42775660 59885924 74857405 149714810 299429620