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42032041 = 172472473
BaseRepresentation
bin1010000001010…
…1101110101001
32221002110010021
42200111232221
541230011131
64100520441
71020160252
oct240255651
987073107
1042032041
11217a9327
12120b0121
13892873c
145821b29
153a53e11
hex2815ba9

42032041 has 4 divisors (see below), whose sum is σ = 44504532. Its totient is φ = 39559552.

The previous prime is 42031999. The next prime is 42032051. The reversal of 42032041 is 14023024.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26822041 + 15210000 = 5179^2 + 3900^2 .

It is a cyclic number.

It is not a de Polignac number, because 42032041 - 215 = 41999273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42032051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1236220 + ... + 1236253.

It is an arithmetic number, because the mean of its divisors is an integer number (11126133).

Almost surely, 242032041 is an apocalyptic number.

It is an amenable number.

42032041 is a deficient number, since it is larger than the sum of its proper divisors (2472491).

42032041 is a wasteful number, since it uses less digits than its factorization.

42032041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472490.

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

The square root of 42032041 is about 6483.2122439420. The cubic root of 42032041 is about 347.6910351709.

Adding to 42032041 its reverse (14023024), we get a palindrome (56055065).

The spelling of 42032041 in words is "forty-two million, thirty-two thousand, forty-one".

Divisors: 1 17 2472473 42032041