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345514121 = 643537347
BaseRepresentation
bin10100100110000…
…010000010001001
3220002010221021022
4110212002002021
51201422422441
654141322225
711363551541
oct2446020211
9802127238
10345514121
11168040967
1297866375
1356775434
1433c60321
15204ee84b
hex14982089

345514121 has 4 divisors (see below), whose sum is σ = 346052112. Its totient is φ = 344976132.

The previous prime is 345514067. The next prime is 345514151. The reversal of 345514121 is 121415543.

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: 121415543 = 727167009.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-345514121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345514151) 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, 268031 + ... + 269316.

It is an arithmetic number, because the mean of its divisors is an integer number (86513028).

Almost surely, 2345514121 is an apocalyptic number.

It is an amenable number.

345514121 is a deficient number, since it is larger than the sum of its proper divisors (537991).

345514121 is an equidigital number, since it uses as much as digits as its factorization.

345514121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537990.

The product of its digits is 2400, while the sum is 26.

The square root of 345514121 is about 18588.0101409484. The cubic root of 345514121 is about 701.7061246428.

Adding to 345514121 its reverse (121415543), we get a palindrome (466929664).

It can be divided in two parts, 3455 and 14121, that added together give a cube (17576 = 263).

The spelling of 345514121 in words is "three hundred forty-five million, five hundred fourteen thousand, one hundred twenty-one".

Divisors: 1 643 537347 345514121