Search a number
-
+
551450131 = 1746370061
BaseRepresentation
bin100000110111100…
…111011000010011
31102102122120100221
4200313213120103
52112132401011
6130415253511
716444151221
oct4067473023
91372576327
10551450131
11263308711
1213481a297
138a32a56b
1453349b11
153362c971
hex20de7613

551450131 has 8 divisors (see below), whose sum is σ = 585157824. Its totient is φ = 517883520.

The previous prime is 551450117. The next prime is 551450147. The reversal of 551450131 is 131054155.

It is a happy number.

551450131 is digitally balanced in base 2, 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.

It is a cyclic number.

It is not a de Polignac number, because 551450131 - 211 = 551448083 is a prime.

It is a super-2 number, since 2×5514501312 = 608194493959834322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551450096 and 551450105.

It is not an unprimeable number, because it can be changed into a prime (551450161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27160 + ... + 42901.

It is an arithmetic number, because the mean of its divisors is an integer number (73144728).

Almost surely, 2551450131 is an apocalyptic number.

551450131 is a deficient number, since it is larger than the sum of its proper divisors (33707693).

551450131 is a wasteful number, since it uses less digits than its factorization.

551450131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70541.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 551450131 is about 23482.9753438528. The cubic root of 551450131 is about 820.0407133265.

The spelling of 551450131 in words is "five hundred fifty-one million, four hundred fifty thousand, one hundred thirty-one".

Divisors: 1 17 463 7871 70061 1191037 32438243 551450131