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1420112233 = 1637867509
BaseRepresentation
bin101010010100101…
…0011000101101001
310122222012011202101
41110221103011221
510402022042413
6352525533401
750122516621
oct12451230551
93588164671
101420112233
11669686381
12337714261
131982a0cc7
14d6869881
1584a18edd
hex54a53169

1420112233 has 4 divisors (see below), whose sum is σ = 1420981380. Its totient is φ = 1419243088.

The previous prime is 1420112219. The next prime is 1420112261. The reversal of 1420112233 is 3322110241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15586704 + 1404525529 = 3948^2 + 37477^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420112233 - 213 = 1420104041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420112233.

It is not an unprimeable number, because it can be changed into a prime (1420112633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432118 + ... + 435391.

It is an arithmetic number, because the mean of its divisors is an integer number (355245345).

Almost surely, 21420112233 is an apocalyptic number.

It is an amenable number.

1420112233 is a deficient number, since it is larger than the sum of its proper divisors (869147).

1420112233 is an equidigital number, since it uses as much as digits as its factorization.

1420112233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869146.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1420112233 is about 37684.3765106974. The cubic root of 1420112233 is about 1124.0204762441.

Adding to 1420112233 its reverse (3322110241), we get a palindrome (4742222474).

The spelling of 1420112233 in words is "one billion, four hundred twenty million, one hundred twelve thousand, two hundred thirty-three".

Divisors: 1 1637 867509 1420112233