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1344032021 = 10925914759
BaseRepresentation
bin101000000011100…
…0100110100010101
310110200000220022202
41100013010310111
510223033011041
6341211134245
745210040463
oct12007046425
93420026282
101344032021
1162a742172
12316144385
131855b3b27
14ca703833
157cedba9b
hex501c4d15

1344032021 has 8 divisors (see below), whose sum is σ = 1357171200. Its totient is φ = 1330907760.

The previous prime is 1344032017. The next prime is 1344032023. The reversal of 1344032021 is 1202304431.

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

It is a cyclic number.

It is not a de Polignac number, because 1344032021 - 22 = 1344032017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1344031984 and 1344032002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344032023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280040 + ... + 284798.

It is an arithmetic number, because the mean of its divisors is an integer number (169646400).

Almost surely, 21344032021 is an apocalyptic number.

It is an amenable number.

1344032021 is a deficient number, since it is larger than the sum of its proper divisors (13139179).

1344032021 is a wasteful number, since it uses less digits than its factorization.

1344032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7459.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1344032021 is about 36661.0422792370. The cubic root of 1344032021 is about 1103.5784347201.

Adding to 1344032021 its reverse (1202304431), we get a palindrome (2546336452).

The spelling of 1344032021 in words is "one billion, three hundred forty-four million, thirty-two thousand, twenty-one".

Divisors: 1 109 2591 4759 282419 518731 12330569 1344032021