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1230334442 = 2615167221
BaseRepresentation
bin100100101010101…
…0110100111101010
310011202002110120022
41021111112213222
510004431200232
6322030200442
742326445611
oct11125264752
93152073508
101230334442
11581545527
122a4053122
13167b8575c
14b9588878
157302d812
hex495569ea

1230334442 has 4 divisors (see below), whose sum is σ = 1845501666. Its totient is φ = 615167220.

The previous prime is 1230334439. The next prime is 1230334451. The reversal of 1230334442 is 2444330321.

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

It can be written as a sum of positive squares in only one way, i.e., 1112155801 + 118178641 = 33349^2 + 10871^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307583609 + ... + 307583612.

Almost surely, 21230334442 is an apocalyptic number.

1230334442 is a deficient number, since it is larger than the sum of its proper divisors (615167224).

1230334442 is an equidigital number, since it uses as much as digits as its factorization.

1230334442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615167223.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 1230334442 is about 35076.1235315421. The cubic root of 1230334442 is about 1071.5383706362.

Adding to 1230334442 its reverse (2444330321), we get a palindrome (3674664763).

The spelling of 1230334442 in words is "one billion, two hundred thirty million, three hundred thirty-four thousand, four hundred forty-two".

Divisors: 1 2 615167221 1230334442