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1231414061 = 5449225989
BaseRepresentation
bin100100101100101…
…1110001100101101
310011211010022112012
41021121132030231
510010220222221
6322105251005
742341563313
oct11131361455
93154108465
101231414061
11582112679
122a4493a65
13168172c97
14b978a0b3
157319365b
hex4965e32d

1231414061 has 4 divisors (see below), whose sum is σ = 1231645500. Its totient is φ = 1231182624.

The previous prime is 1231414027. The next prime is 1231414081. The reversal of 1231414061 is 1604141321.

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 360810025 + 870604036 = 18995^2 + 29506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1231414061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231414021) 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, 107546 + ... + 118443.

It is an arithmetic number, because the mean of its divisors is an integer number (307911375).

Almost surely, 21231414061 is an apocalyptic number.

It is an amenable number.

1231414061 is a deficient number, since it is larger than the sum of its proper divisors (231439).

1231414061 is an equidigital number, since it uses as much as digits as its factorization.

1231414061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231438.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1231414061 is about 35091.5098136287. The cubic root of 1231414061 is about 1071.8517041304.

Adding to 1231414061 its reverse (1604141321), we get a palindrome (2835555382).

The spelling of 1231414061 in words is "one billion, two hundred thirty-one million, four hundred fourteen thousand, sixty-one".

Divisors: 1 5449 225989 1231414061