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232422421 = 71119158867
BaseRepresentation
bin11011101101001…
…11110000010101
3121012100021121211
431312213300111
5434000004141
635021341421
75521362250
oct1566476025
9535307554
10232422421
1110a218450
1265a07871
13391c9a7a
1422c22097
1515610d81
hexdda7c15

232422421 has 16 divisors (see below), whose sum is σ = 305026560. Its totient is φ = 171575280.

The previous prime is 232422409. The next prime is 232422451. The reversal of 232422421 is 124224232.

It is a cyclic number.

It is not a de Polignac number, because 232422421 - 25 = 232422389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232422392 and 232422401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232422451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77971 + ... + 80896.

It is an arithmetic number, because the mean of its divisors is an integer number (19064160).

Almost surely, 2232422421 is an apocalyptic number.

It is an amenable number.

232422421 is a deficient number, since it is larger than the sum of its proper divisors (72604139).

232422421 is a wasteful number, since it uses less digits than its factorization.

232422421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158904.

The product of its digits is 1536, while the sum is 22.

The square root of 232422421 is about 15245.4065541067. The cubic root of 232422421 is about 614.8360732594.

Adding to 232422421 its reverse (124224232), we get a palindrome (356646653).

It can be divided in two parts, 2 and 32422421, that added together give a palindrome (32422423).

The spelling of 232422421 in words is "two hundred thirty-two million, four hundred twenty-two thousand, four hundred twenty-one".

Divisors: 1 7 11 19 77 133 209 1463 158867 1112069 1747537 3018473 12232759 21129311 33203203 232422421