Search a number
-
+
345542841 = 357203141
BaseRepresentation
bin10100100110001…
…001000010111001
3220002012101200000
4110212021002321
51201424332331
654142103213
711364031350
oct2446110271
9802171600
10345542841
111680604a6
129787ab09
1356785527
1433c6a997
15205080e6
hex149890b9

345542841 has 24 divisors (see below), whose sum is σ = 591549504. Its totient is φ = 197452080.

The previous prime is 345542839. The next prime is 345542863. The reversal of 345542841 is 148245543.

It is a happy number.

345542841 is a `hidden beast` number, since 34 + 5 + 542 + 84 + 1 = 666.

It is not a de Polignac number, because 345542841 - 21 = 345542839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345542796 and 345542805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345542441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99870 + ... + 103271.

It is an arithmetic number, because the mean of its divisors is an integer number (24647896).

Almost surely, 2345542841 is an apocalyptic number.

It is an amenable number.

345542841 is a deficient number, since it is larger than the sum of its proper divisors (246006663).

345542841 is an equidigital number, since it uses as much as digits as its factorization.

345542841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203163 (or 203151 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 345542841 is about 18588.7826658983. The cubic root of 345542841 is about 701.7255666283.

The spelling of 345542841 in words is "three hundred forty-five million, five hundred forty-two thousand, eight hundred forty-one".

Divisors: 1 3 7 9 21 27 63 81 189 243 567 1701 203141 609423 1421987 1828269 4265961 5484807 12797883 16454421 38393649 49363263 115180947 345542841