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1230411419 = 6120170679
BaseRepresentation
bin100100101010110…
…1001011010011011
310011202020101011022
41021111221122123
510004441131134
6322031553055
742330216206
oct11125513233
93152211138
101230411419
11581598346
122a408b78b
13167bb17c3
14b95a893d
157304652e
hex4956969b

1230411419 has 4 divisors (see below), whose sum is σ = 1250582160. Its totient is φ = 1210240680.

The previous prime is 1230411409. The next prime is 1230411437. The reversal of 1230411419 is 9141140321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9141140321 = 24733696377.

It is a cyclic number.

It is not a de Polignac number, because 1230411419 - 28 = 1230411163 is a prime.

It is a super-2 number, since 2×12304114192 = 3027824520011187122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230411409) 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, 10085279 + ... + 10085400.

It is an arithmetic number, because the mean of its divisors is an integer number (312645540).

Almost surely, 21230411419 is an apocalyptic number.

1230411419 is a deficient number, since it is larger than the sum of its proper divisors (20170741).

1230411419 is an equidigital number, since it uses as much as digits as its factorization.

1230411419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20170740.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1230411419 is about 35077.2207992595. The cubic root of 1230411419 is about 1071.5607174296.

The spelling of 1230411419 in words is "one billion, two hundred thirty million, four hundred eleven thousand, four hundred nineteen".

Divisors: 1 61 20170679 1230411419