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344250505 = 5312220971
BaseRepresentation
bin10100100001001…
…101100010001001
3212222202201220201
4110201031202021
51201112004010
654054252201
711350036534
oct2441154211
9788681821
10344250505
11167358555
1297357061
1356422231
1433a11a1b
152035023a
hex1484d889

344250505 has 8 divisors (see below), whose sum is σ = 426426624. Its totient is φ = 266516400.

The previous prime is 344250469. The next prime is 344250523. The reversal of 344250505 is 505052443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 344250505 - 213 = 344242313 is a prime.

It is a Duffinian number.

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, 1110331 + ... + 1110640.

It is an arithmetic number, because the mean of its divisors is an integer number (53303328).

Almost surely, 2344250505 is an apocalyptic number.

It is an amenable number.

344250505 is a deficient number, since it is larger than the sum of its proper divisors (82176119).

344250505 is a wasteful number, since it uses less digits than its factorization.

344250505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221007.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 344250505 is about 18553.9889242179. The cubic root of 344250505 is about 700.8496519584.

The spelling of 344250505 in words is "three hundred forty-four million, two hundred fifty thousand, five hundred five".

Divisors: 1 5 31 155 2220971 11104855 68850101 344250505