Search a number
-
+
424654431 = 31071518761
BaseRepresentation
bin11001010011111…
…011011001011111
31002121001200100220
4121103323121133
51332202420211
6110045452423
713344334365
oct3123733137
91077050326
10424654431
111a8785183
12ba271113
1369c94416
1440581635
1527433806
hex194fb65f

424654431 has 16 divisors (see below), whose sum is σ = 575347968. Its totient is φ = 278568000.

The previous prime is 424654397. The next prime is 424654459. The reversal of 424654431 is 134456424.

It is a happy number.

It is not a de Polignac number, because 424654431 - 211 = 424652383 is a prime.

It is a super-2 number, since 2×4246544312 = 360662771535867522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 424654392 and 424654401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424654471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44091 + ... + 52851.

It is an arithmetic number, because the mean of its divisors is an integer number (35959248).

Almost surely, 2424654431 is an apocalyptic number.

424654431 is a deficient number, since it is larger than the sum of its proper divisors (150693537).

424654431 is a wasteful number, since it uses less digits than its factorization.

424654431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9022.

The product of its digits is 46080, while the sum is 33.

The square root of 424654431 is about 20607.1451443425. The cubic root of 424654431 is about 751.6434662832.

The spelling of 424654431 in words is "four hundred twenty-four million, six hundred fifty-four thousand, four hundred thirty-one".

Divisors: 1 3 107 151 321 453 8761 16157 26283 48471 937427 1322911 2812281 3968733 141551477 424654431