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1234021442 = 22939209939
BaseRepresentation
bin100100110001101…
…1010110001000010
310012000000210011212
41021203122301002
510011402141232
6322241210122
742403003103
oct11143326102
93160023155
101234021442
11583633635
122a5330942
13168876a04
14b9c683aa
157350aeb2
hex498dac42

1234021442 has 8 divisors (see below), whose sum is σ = 1851670800. Its totient is φ = 616797844.

The previous prime is 1234021429. The next prime is 1234021463. The reversal of 1234021442 is 2441204321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99092 + ... + 110847.

It is an arithmetic number, because the mean of its divisors is an integer number (231458850).

Almost surely, 21234021442 is an apocalyptic number.

1234021442 is a deficient number, since it is larger than the sum of its proper divisors (617649358).

1234021442 is a wasteful number, since it uses less digits than its factorization.

1234021442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212880.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1234021442 is about 35128.6413343870. The cubic root of 1234021442 is about 1072.6076793591.

Adding to 1234021442 its reverse (2441204321), we get a palindrome (3675225763).

The spelling of 1234021442 in words is "one billion, two hundred thirty-four million, twenty-one thousand, four hundred forty-two".

Divisors: 1 2 2939 5878 209939 419878 617010721 1234021442