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299430146 = 21723715393
BaseRepresentation
bin10001110110001…
…111000100000010
3202212102121221102
4101312033010002
51103123231041
645413454402
710264054121
oct2166170402
9685377842
10299430146
11144025334
1284341402
134a05b602
142baa5ab8
151b44a09b
hex11d8f102

299430146 has 32 divisors (see below), whose sum is σ = 503324928. Its totient is φ = 132858880.

The previous prime is 299430143. The next prime is 299430161. The reversal of 299430146 is 641034992.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (299430143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52826 + ... + 58218.

It is an arithmetic number, because the mean of its divisors is an integer number (15728904).

Almost surely, 2299430146 is an apocalyptic number.

299430146 is a deficient number, since it is larger than the sum of its proper divisors (203894782).

299430146 is a wasteful number, since it uses less digits than its factorization.

299430146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5506.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 299430146 is about 17304.0499883698. The cubic root of 299430146 is about 669.0088158143.

The spelling of 299430146 in words is "two hundred ninety-nine million, four hundred thirty thousand, one hundred forty-six".

Divisors: 1 2 17 23 34 46 71 142 391 782 1207 1633 2414 3266 5393 10786 27761 55522 91681 124039 183362 248078 382903 765806 2108663 4217326 6509351 8806769 13018702 17613538 149715073 299430146