Search a number
-
+
345424154 = 2172712077
BaseRepresentation
bin10100100101101…
…100000100011010
3220001222100212012
4110211230010122
51201412033104
654135345522
711363025335
oct2445540432
9801870765
10345424154
11167a8a309
12978222a2
13567434ba
1433c3961c
15204d2d6e
hex1496c11a

345424154 has 4 divisors (see below), whose sum is σ = 518136234. Its totient is φ = 172712076.

The previous prime is 345424153. The next prime is 345424181. The reversal of 345424154 is 451424543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 451424543 = 1987227189.

It can be written as a sum of positive squares in only one way, i.e., 345104929 + 319225 = 18577^2 + 565^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 345424154.

It is not an unprimeable number, because it can be changed into a prime (345424153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86356037 + ... + 86356040.

Almost surely, 2345424154 is an apocalyptic number.

345424154 is a deficient number, since it is larger than the sum of its proper divisors (172712080).

345424154 is a wasteful number, since it uses less digits than its factorization.

345424154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172712079.

The product of its digits is 38400, while the sum is 32.

The square root of 345424154 is about 18585.5899556619. The cubic root of 345424154 is about 701.6452145659.

Adding to 345424154 its reverse (451424543), we get a palindrome (796848697).

The spelling of 345424154 in words is "three hundred forty-five million, four hundred twenty-four thousand, one hundred fifty-four".

Divisors: 1 2 172712077 345424154