Search a number
-
+
1427211 = 32347457
BaseRepresentation
bin101011100011100001011
32200111202200
411130130023
5331132321
650331243
715062652
oct5343413
92614680
101427211
11895315
12589b23
133ac806
14292199
151d2d26
hex15c70b

1427211 has 12 divisors (see below), whose sum is σ = 2071992. Its totient is φ = 946656.

The previous prime is 1427191. The next prime is 1427221. The reversal of 1427211 is 1127241.

It is not a de Polignac number, because 1427211 - 29 = 1426699 is a prime.

1427211 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1427221) 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 11 ways as a sum of consecutive naturals, for example, 2895 + ... + 3351.

It is an arithmetic number, because the mean of its divisors is an integer number (172666).

21427211 is an apocalyptic number.

1427211 is a deficient number, since it is larger than the sum of its proper divisors (644781).

1427211 is a wasteful number, since it uses less digits than its factorization.

1427211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 807 counting only the distinct ones).

The product of its digits is 112, while the sum is 18.

The square root of 1427211 is about 1194.6593656771. The cubic root of 1427211 is about 112.5890258280.

It can be divided in two parts, 14 and 27211, that added together give a square (27225 = 1652).

The spelling of 1427211 in words is "one million, four hundred twenty-seven thousand, two hundred eleven".

Divisors: 1 3 9 347 457 1041 1371 3123 4113 158579 475737 1427211