Search a number
-
+
542215011 = 31313902949
BaseRepresentation
bin100000010100011…
…000101101100011
31101210021101011110
4200110120231203
52102301340021
6125445314403
716302515532
oct4024305543
91353241143
10542215011
11259080188
12131705a03
1388445bb0
1452024319
1532906476
hex20518b63

542215011 has 8 divisors (see below), whose sum is σ = 778565200. Its totient is φ = 333670752.

The previous prime is 542215007. The next prime is 542215021. The reversal of 542215011 is 110512245.

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

It is not a de Polignac number, because 542215011 - 22 = 542215007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542215021) 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, 6951436 + ... + 6951513.

It is an arithmetic number, because the mean of its divisors is an integer number (97320650).

Almost surely, 2542215011 is an apocalyptic number.

542215011 is a deficient number, since it is larger than the sum of its proper divisors (236350189).

542215011 is a wasteful number, since it uses less digits than its factorization.

542215011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13902965.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 542215011 is about 23285.5107523971. The cubic root of 542215011 is about 815.4371854922.

Adding to 542215011 its reverse (110512245), we get a palindrome (652727256).

The spelling of 542215011 in words is "five hundred forty-two million, two hundred fifteen thousand, eleven".

Divisors: 1 3 13 39 13902949 41708847 180738337 542215011