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4231442 = 22115721
BaseRepresentation
bin10000001001000100010010
321221222110002
4100021010102
52040401232
6230410002
750652365
oct20110422
97858402
104231442
112430166
121500902
13b52017
147c20dc
15588b62
hex409112

4231442 has 4 divisors (see below), whose sum is σ = 6347166. Its totient is φ = 2115720.

The previous prime is 4231429. The next prime is 4231459. The reversal of 4231442 is 2441324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3728761 + 502681 = 1931^2 + 709^2 .

It is a d-powerful number, because it can be written as 43 + 27 + 34 + 1 + 46 + 411 + 215 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057859 + ... + 1057862.

Almost surely, 24231442 is an apocalyptic number.

4231442 is a deficient number, since it is larger than the sum of its proper divisors (2115724).

4231442 is a wasteful number, since it uses less digits than its factorization.

4231442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115723.

The product of its digits is 768, while the sum is 20.

The square root of 4231442 is about 2057.0469124451. The cubic root of 4231442 is about 161.7444785494.

Adding to 4231442 its reverse (2441324), we get a palindrome (6672766).

The spelling of 4231442 in words is "four million, two hundred thirty-one thousand, four hundred forty-two".

Divisors: 1 2 2115721 4231442