Search a number
-
+
345424542 = 2357570757
BaseRepresentation
bin10100100101101…
…100001010011110
3220001222101101120
4110211230022132
51201412041132
654135351410
711363026431
oct2445541236
9801871346
10345424542
11167a8a631
1297822566
1356743728
1433c39818
15204d302c
hex1496c29e

345424542 has 8 divisors (see below), whose sum is σ = 690849096. Its totient is φ = 115141512.

The previous prime is 345424529. The next prime is 345424543. The reversal of 345424542 is 245424543.

345424542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

345424542 is an admirable number.

It is a super-2 number, since 2×3454245422 = 238636228431819528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345424543) 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, 28785373 + ... + 28785384.

It is an arithmetic number, because the mean of its divisors is an integer number (86356137).

Almost surely, 2345424542 is an apocalyptic number.

345424542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345424542 is a wasteful number, since it uses less digits than its factorization.

345424542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57570762.

The product of its digits is 76800, while the sum is 33.

The square root of 345424542 is about 18585.6003938533. The cubic root of 345424542 is about 701.6454772750.

Subtracting from 345424542 its reverse (245424543), we obtain a palindrome (99999999).

The spelling of 345424542 in words is "three hundred forty-five million, four hundred twenty-four thousand, five hundred forty-two".

Divisors: 1 2 3 6 57570757 115141514 172712271 345424542