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974405345 = 5194881069
BaseRepresentation
bin111010000101000…
…011111011100001
32111220111220211212
4322011003323201
53443421432340
6240404515505
733101210624
oct7205037341
92456456755
10974405345
11460032181
122323abb95
13126b48414
14935a7dbb
155a827a65
hex3a143ee1

974405345 has 4 divisors (see below), whose sum is σ = 1169286420. Its totient is φ = 779524272.

The previous prime is 974405287. The next prime is 974405347. The reversal of 974405345 is 543504479.

974405345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543504479 = 777643497.

It can be written as a sum of positive squares in 2 ways, for example, as 687068944 + 287336401 = 26212^2 + 16951^2 .

It is a cyclic number.

It is not a de Polignac number, because 974405345 - 218 = 974143201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (974405347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97440530 + ... + 97440539.

It is an arithmetic number, because the mean of its divisors is an integer number (292321605).

Almost surely, 2974405345 is an apocalyptic number.

It is an amenable number.

974405345 is a deficient number, since it is larger than the sum of its proper divisors (194881075).

974405345 is a wasteful number, since it uses less digits than its factorization.

974405345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194881074.

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 974405345 is about 31215.4664389306. The cubic root of 974405345 is about 991.3946079792.

The spelling of 974405345 in words is "nine hundred seventy-four million, four hundred five thousand, three hundred forty-five".

Divisors: 1 5 194881069 974405345