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234421002 = 23213023389
BaseRepresentation
bin11011111100011…
…11101100001010
3121100002211011100
431332033230022
5440002433002
635132242230
75544355104
oct1576175412
9540084140
10234421002
11110362a72
1266610376
133974966a
14231c2574
15158a811c
hexdf8fb0a

234421002 has 12 divisors (see below), whose sum is σ = 507912210. Its totient is φ = 78140328.

The previous prime is 234421001. The next prime is 234421003. The reversal of 234421002 is 200124432.

It is an interprime number because it is at equal distance from previous prime (234421001) and next prime (234421003).

It can be written as a sum of positive squares in only one way, i.e., 205033761 + 29387241 = 14319^2 + 5421^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 13023389 = 234421002 / (2 + 3 + 4 + 4 + 2 + 1 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (234421001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6511677 + ... + 6511712.

Almost surely, 2234421002 is an apocalyptic number.

234421002 is an abundant number, since it is smaller than the sum of its proper divisors (273491208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234421002 is a wasteful number, since it uses less digits than its factorization.

234421002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13023397 (or 13023394 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 234421002 is about 15310.8132377088. The cubic root of 234421002 is about 616.5933539661.

Adding to 234421002 its reverse (200124432), we get a palindrome (434545434).

The spelling of 234421002 in words is "two hundred thirty-four million, four hundred twenty-one thousand, two".

Divisors: 1 2 3 6 9 18 13023389 26046778 39070167 78140334 117210501 234421002