Search a number
-
+
551354434 = 2275677217
BaseRepresentation
bin100000110111010…
…000000001000010
31102102110201002121
4200313100001002
52112121320214
6130413234454
716443302221
oct4067200102
91372421077
10551354434
11263252824
12134792a2a
138a2c5b37
1453322cb8
153360e424
hex20dd0042

551354434 has 4 divisors (see below), whose sum is σ = 827031654. Its totient is φ = 275677216.

The previous prime is 551354431. The next prime is 551354477. The reversal of 551354434 is 434453155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434453155 = 586890631.

It can be written as a sum of positive squares in only one way, i.e., 458174025 + 93180409 = 21405^2 + 9653^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 551354434.

It is not an unprimeable number, because it can be changed into a prime (551354431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137838607 + ... + 137838610.

Almost surely, 2551354434 is an apocalyptic number.

551354434 is a deficient number, since it is larger than the sum of its proper divisors (275677220).

551354434 is a wasteful number, since it uses less digits than its factorization.

551354434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275677219.

The product of its digits is 72000, while the sum is 34.

The square root of 551354434 is about 23480.9376729295. The cubic root of 551354434 is about 819.9932747813.

The spelling of 551354434 in words is "five hundred fifty-one million, three hundred fifty-four thousand, four hundred thirty-four".

Divisors: 1 2 275677217 551354434