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345125474 = 21237139501
BaseRepresentation
bin10100100100100…
…011001001100010
3220001102012010222
4110210203021202
51201323003344
654125123042
711360342501
oct2444431142
9801365128
10345125474
111678a5971
12976b9482
135666a575
1433b9c838
15204745ee
hex14923262

345125474 has 8 divisors (see below), whose sum is σ = 518110428. Its totient is φ = 172422000.

The previous prime is 345125461. The next prime is 345125477. The reversal of 345125474 is 474521543.

It can be written as a sum of positive squares in 2 ways, for example, as 295324225 + 49801249 = 17185^2 + 7057^2 .

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

It is a super-2 number, since 2×3451254742 = 238223185607449352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345125477) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 67277 + ... + 72224.

Almost surely, 2345125474 is an apocalyptic number.

345125474 is a deficient number, since it is larger than the sum of its proper divisors (172984954).

345125474 is a wasteful number, since it uses less digits than its factorization.

345125474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140740.

The product of its digits is 67200, while the sum is 35.

The square root of 345125474 is about 18577.5529604951. The cubic root of 345125474 is about 701.4429243072.

The spelling of 345125474 in words is "three hundred forty-five million, one hundred twenty-five thousand, four hundred seventy-four".

Divisors: 1 2 1237 2474 139501 279002 172562737 345125474