Search a number
BaseRepresentation
bin1010000101000…
…0011010101011
32221112122212110
42201100122223
541310204202
64110013403
71022211141
oct241203253
987478773
1042272427
112195299a
12121a7263
1389b0c92
145885591
153aa026c
hex28506ab

42272427 has 8 divisors (see below), whose sum is σ = 56393280. Its totient is φ = 28166600.

The previous prime is 42272423. The next prime is 42272431. The reversal of 42272427 is 72427224.

It is an interprime number because it is at equal distance from previous prime (42272423) and next prime (42272431).

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

It is a cyclic number.

It is not a de Polignac number, because 42272427 - 22 = 42272423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42272394 and 42272403.

It is not an unprimeable number, because it can be changed into a prime (42272423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9052 + ... + 12902.

It is an arithmetic number, because the mean of its divisors is an integer number (7049160).

It is a self-describing number.

Almost surely, 242272427 is an apocalyptic number.

42272427 is a deficient number, since it is larger than the sum of its proper divisors (14120853).

42272427 is a wasteful number, since it uses less digits than its factorization.

42272427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7513.

The product of its digits is 12544, while the sum is 30.

The square root of 42272427 is about 6501.7249249718. The cubic root of 42272427 is about 348.3526037023.

The spelling of 42272427 in words is "forty-two million, two hundred seventy-two thousand, four hundred twenty-seven".

Divisors: 1 3 3659 3851 10977 11553 14090809 42272427