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340947241 = 751453991
BaseRepresentation
bin10100010100100…
…111000100101001
3212202112220200121
4110110213010221
51144240302431
653455403241
711310001165
oct2424470451
9782486617
10340947241
11165501788
1296223521
135583683b
14333d1ca5
151edeb611
hex14527129

340947241 has 4 divisors (see below), whose sum is σ = 341401984. Its totient is φ = 340492500.

The previous prime is 340947221. The next prime is 340947283. The reversal of 340947241 is 142749043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 142749043 = 163875761.

It is a cyclic number.

It is not a de Polignac number, because 340947241 - 217 = 340816169 is a prime.

It is a super-2 number, since 2×3409472412 = 232490042291024162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340947197 and 340947206.

It is not an unprimeable number, because it can be changed into a prime (340947221) 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, 226245 + ... + 227746.

It is an arithmetic number, because the mean of its divisors is an integer number (85350496).

Almost surely, 2340947241 is an apocalyptic number.

It is an amenable number.

340947241 is a deficient number, since it is larger than the sum of its proper divisors (454743).

340947241 is an equidigital number, since it uses as much as digits as its factorization.

340947241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454742.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 340947241 is about 18464.7567273441. The cubic root of 340947241 is about 698.6007702499.

The spelling of 340947241 in words is "three hundred forty million, nine hundred forty-seven thousand, two hundred forty-one".

Divisors: 1 751 453991 340947241