Search a number
-
+
424200031 = 1743580301
BaseRepresentation
bin11001010010001…
…100011101011111
31002120012121001021
4121102030131133
51332043400111
6110032025011
713340432533
oct3122143537
91076177037
10424200031
111a84a4842
12ba092167
1369b65648
14404a3bc3
1527393d71
hex1948c75f

424200031 has 8 divisors (see below), whose sum is σ = 459599184. Its totient is φ = 389961600.

The previous prime is 424200019. The next prime is 424200037. The reversal of 424200031 is 130002424.

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 424200031 - 25 = 424199999 is a prime.

It is a super-2 number, since 2×4242000312 = 359891332600801922, 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 = 424199978 and 424200014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424200037) 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, 289420 + ... + 290881.

It is an arithmetic number, because the mean of its divisors is an integer number (57449898).

Almost surely, 2424200031 is an apocalyptic number.

424200031 is a deficient number, since it is larger than the sum of its proper divisors (35399153).

424200031 is a wasteful number, since it uses less digits than its factorization.

424200031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580361.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 424200031 is about 20596.1168912977. The cubic root of 424200031 is about 751.3752727731.

Adding to 424200031 its reverse (130002424), we get a palindrome (554202455).

The spelling of 424200031 in words is "four hundred twenty-four million, two hundred thousand, thirty-one".

Divisors: 1 17 43 731 580301 9865117 24952943 424200031