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345919043 = 1720348179
BaseRepresentation
bin10100100111100…
…100111001000011
3220002220111201102
4110213210321003
51202023402133
654154125015
711400156221
oct2447447103
9802814642
10345919043
11168298108
1297a2076b
1356887832
1433d27b11
152057e7e8
hex149e4e43

345919043 has 4 divisors (see below), whose sum is σ = 366267240. Its totient is φ = 325570848.

The previous prime is 345919039. The next prime is 345919069. The reversal of 345919043 is 340919543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345919043 - 22 = 345919039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345918988 and 345919006.

It is not an unprimeable number, because it can be changed into a prime (345919003) 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, 10174073 + ... + 10174106.

It is an arithmetic number, because the mean of its divisors is an integer number (91566810).

Almost surely, 2345919043 is an apocalyptic number.

345919043 is a deficient number, since it is larger than the sum of its proper divisors (20348197).

345919043 is a wasteful number, since it uses less digits than its factorization.

345919043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20348196.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 345919043 is about 18598.8989727887. The cubic root of 345919043 is about 701.9801369098.

It can be divided in two parts, 34591 and 9043, that added together give a palindrome (43634).

The spelling of 345919043 in words is "three hundred forty-five million, nine hundred nineteen thousand, forty-three".

Divisors: 1 17 20348179 345919043