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293439490 = 2531946579
BaseRepresentation
bin10001011111011…
…000100000000010
3202110011021022021
4101133120200002
51100110030430
645041232054
710162123501
oct2137304002
9673137267
10293439490
11140703483
128233262a
1348a41946
142ad86838
151ab6507a
hex117d8802

293439490 has 16 divisors (see below), whose sum is σ = 545230080. Its totient is φ = 113589360.

The previous prime is 293439479. The next prime is 293439511. The reversal of 293439490 is 94934392.

293439490 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2934394902 = 172213468582920200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472980 + ... + 473599.

It is an arithmetic number, because the mean of its divisors is an integer number (34076880).

Almost surely, 2293439490 is an apocalyptic number.

293439490 is a deficient number, since it is larger than the sum of its proper divisors (251790590).

293439490 is a wasteful number, since it uses less digits than its factorization.

293439490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946617.

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 293439490 is about 17130.0755981986. The cubic root of 293439490 is about 664.5171386875.

It can be divided in two parts, 2934 and 39490, that added together give a palindrome (42424).

The spelling of 293439490 in words is "two hundred ninety-three million, four hundred thirty-nine thousand, four hundred ninety".

Divisors: 1 2 5 10 31 62 155 310 946579 1893158 4732895 9465790 29343949 58687898 146719745 293439490