Search a number
-
+
42272395 = 511768589
BaseRepresentation
bin1010000101000…
…0011010001011
32221112122211021
42201100122023
541310204040
64110013311
71022211064
oct241203213
987478737
1042272395
1121952970
12121a7237
1389b0c69
14588556b
153aa024a
hex285068b

42272395 has 8 divisors (see below), whose sum is σ = 55338480. Its totient is φ = 30743520.

The previous prime is 42272393. The next prime is 42272423. The reversal of 42272395 is 59327224.

It is a happy number.

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

It is not a de Polignac number, because 42272395 - 21 = 42272393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42272395.

It is not an unprimeable number, because it can be changed into a prime (42272393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384240 + ... + 384349.

It is an arithmetic number, because the mean of its divisors is an integer number (6917310).

Almost surely, 242272395 is an apocalyptic number.

42272395 is a deficient number, since it is larger than the sum of its proper divisors (13066085).

42272395 is a wasteful number, since it uses less digits than its factorization.

42272395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768605.

The product of its digits is 30240, while the sum is 34.

The square root of 42272395 is about 6501.7224640860. The cubic root of 42272395 is about 348.3525158019.

The spelling of 42272395 in words is "forty-two million, two hundred seventy-two thousand, three hundred ninety-five".

Divisors: 1 5 11 55 768589 3842945 8454479 42272395