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232424031 = 3711067811
BaseRepresentation
bin11011101101010…
…00001001011111
3121012100100211110
431312220021133
5434000032111
635021353103
75521400040
oct1566501137
9535310743
10232424031
1110a219684
1265a08793
13391ca718
1422c228c7
15156115a6
hexdda825f

232424031 has 8 divisors (see below), whose sum is σ = 354169984. Its totient is φ = 132813720.

The previous prime is 232424029. The next prime is 232424041. The reversal of 232424031 is 130424232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 232424031 - 21 = 232424029 is a prime.

It is a super-4 number, since 4×2324240314 (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 11067811 = 232424031 / (2 + 3 + 2 + 4 + 2 + 4 + 0 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 232423989 and 232424007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232424041) 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, 5533885 + ... + 5533926.

It is an arithmetic number, because the mean of its divisors is an integer number (44271248).

Almost surely, 2232424031 is an apocalyptic number.

232424031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

232424031 is a deficient number, since it is larger than the sum of its proper divisors (121745953).

232424031 is a wasteful number, since it uses less digits than its factorization.

232424031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11067821.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 232424031 is about 15245.4593568052. The cubic root of 232424031 is about 614.8374929213.

Adding to 232424031 its reverse (130424232), we get a palindrome (362848263).

The spelling of 232424031 in words is "two hundred thirty-two million, four hundred twenty-four thousand, thirty-one".

Divisors: 1 3 7 21 11067811 33203433 77474677 232424031