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1214270233 = 11110388203
BaseRepresentation
bin100100001100000…
…0100101100011001
310010121212022121121
41020120010230121
54441323121413
6320254005241
742043061311
oct11030045431
93117768547
101214270233
11573473220
1229a7a6821
1316474c8c7
14b73a6441
1571908b8d
hex48604b19

1214270233 has 4 divisors (see below), whose sum is σ = 1324658448. Its totient is φ = 1103882020.

The previous prime is 1214270207. The next prime is 1214270243. The reversal of 1214270233 is 3320724121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1214270233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1214270198 and 1214270207.

It is not an unprimeable number, because it can be changed into a prime (1214270243) 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 3 ways as a sum of consecutive naturals, for example, 55194091 + ... + 55194112.

It is an arithmetic number, because the mean of its divisors is an integer number (331164612).

Almost surely, 21214270233 is an apocalyptic number.

It is an amenable number.

1214270233 is a deficient number, since it is larger than the sum of its proper divisors (110388215).

1214270233 is a wasteful number, since it uses less digits than its factorization.

1214270233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110388214.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1214270233 is about 34846.3804863575. The cubic root of 1214270233 is about 1066.8543104239.

Adding to 1214270233 its reverse (3320724121), we get a palindrome (4534994354).

The spelling of 1214270233 in words is "one billion, two hundred fourteen million, two hundred seventy thousand, two hundred thirty-three".

Divisors: 1 11 110388203 1214270233