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345112141 = 1131373831
BaseRepresentation
bin10100100100011…
…111111001001101
3220001101111212011
4110210133321031
51201322042031
654124541221
711360255563
oct2444377115
9801344764
10345112141
11167896950
12976b1811
135666448a
1433b97a33
15204706b1
hex1491fe4d

345112141 has 4 divisors (see below), whose sum is σ = 376485984. Its totient is φ = 313738300.

The previous prime is 345112139. The next prime is 345112169. The reversal of 345112141 is 141211543.

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.

It is a cyclic number.

It is not a de Polignac number, because 345112141 - 21 = 345112139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345112741) 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, 15686905 + ... + 15686926.

It is an arithmetic number, because the mean of its divisors is an integer number (94121496).

Almost surely, 2345112141 is an apocalyptic number.

It is an amenable number.

345112141 is a deficient number, since it is larger than the sum of its proper divisors (31373843).

345112141 is a wasteful number, since it uses less digits than its factorization.

345112141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31373842.

The product of its digits is 480, while the sum is 22.

The square root of 345112141 is about 18577.1941099833. The cubic root of 345112141 is about 701.4338914002.

Adding to 345112141 its reverse (141211543), we get a palindrome (486323684).

The spelling of 345112141 in words is "three hundred forty-five million, one hundred twelve thousand, one hundred forty-one".

Divisors: 1 11 31373831 345112141