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299534890 = 2567447067
BaseRepresentation
bin10001110110101…
…000101000101010
3202212121221121211
4101312220220222
51103140104030
645420023334
710265001364
oct2166505052
9685557554
10299534890
11144096aa6
1284391b4a
134a0971a5
142bad1d34
151b46b12a
hex11da8a2a

299534890 has 16 divisors (see below), whose sum is σ = 547211232. Its totient is φ = 118025424.

The previous prime is 299534843. The next prime is 299534891. The reversal of 299534890 is 98435992.

It is not an unprimeable number, because it can be changed into a prime (299534891) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 222864 + ... + 224203.

It is an arithmetic number, because the mean of its divisors is an integer number (34200702).

Almost surely, 2299534890 is an apocalyptic number.

299534890 is a deficient number, since it is larger than the sum of its proper divisors (247676342).

299534890 is a wasteful number, since it uses less digits than its factorization.

299534890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447141.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 299534890 is about 17307.0762984393. The cubic root of 299534890 is about 669.0868156316.

It can be divided in two parts, 29953 and 4890, that multiplied together give a triangular number (146470170 = T17115).

The spelling of 299534890 in words is "two hundred ninety-nine million, five hundred thirty-four thousand, eight hundred ninety".

Divisors: 1 2 5 10 67 134 335 670 447067 894134 2235335 4470670 29953489 59906978 149767445 299534890