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1244309442 = 23207384907
BaseRepresentation
bin100101000101010…
…1010011111000010
310012201101110122220
41022022222133002
510022020400232
6323245511510
742556312215
oct11212523702
93181343586
101244309442
11589420112
122a8872596
1316aa3969c
14bb38577c
157438e42c
hex4a2aa7c2

1244309442 has 8 divisors (see below), whose sum is σ = 2488618896. Its totient is φ = 414769812.

The previous prime is 1244309431. The next prime is 1244309459. The reversal of 1244309442 is 2449034421.

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

1244309442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103692448 + ... + 103692459.

It is an arithmetic number, because the mean of its divisors is an integer number (311077362).

Almost surely, 21244309442 is an apocalyptic number.

1244309442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244309442 is a wasteful number, since it uses less digits than its factorization.

1244309442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207384912.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 1244309442 is about 35274.7706158382. The cubic root of 1244309442 is about 1075.5802000839.

The spelling of 1244309442 in words is "one billion, two hundred forty-four million, three hundred nine thousand, four hundred forty-two".

Divisors: 1 2 3 6 207384907 414769814 622154721 1244309442