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345352541 = 2831220327
BaseRepresentation
bin10100100101011…
…010100101011101
3220001211201121212
4110211122211131
51201402240131
654134034205
711362306502
oct2445324535
9801751555
10345352541
11167a40526
12977a8965
1356719a21
1433c1b4a9
15204bba2b
hex1495a95d

345352541 has 4 divisors (see below), whose sum is σ = 346573152. Its totient is φ = 344131932.

The previous prime is 345352523. The next prime is 345352543. The reversal of 345352541 is 145253543.

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: 145253543 = 1289112687.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-345352541 is a prime.

It is a super-3 number, since 3×3453525413 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345352498 and 345352507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345352543) 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, 609881 + ... + 610446.

It is an arithmetic number, because the mean of its divisors is an integer number (86643288).

Almost surely, 2345352541 is an apocalyptic number.

It is an amenable number.

345352541 is a deficient number, since it is larger than the sum of its proper divisors (1220611).

345352541 is a wasteful number, since it uses less digits than its factorization.

345352541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220610.

The product of its digits is 36000, while the sum is 32.

The square root of 345352541 is about 18583.6632825716. The cubic root of 345352541 is about 701.5967230799.

The spelling of 345352541 in words is "three hundred forty-five million, three hundred fifty-two thousand, five hundred forty-one".

Divisors: 1 283 1220327 345352541