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1344371730 = 2351317312211
BaseRepresentation
bin101000000100001…
…0111110000010010
310110200200011022120
41100020113300102
510223124343410
6341222315110
745212654052
oct12010276022
93420604276
101344371730
1162a954419
12316288a96
131856a2640
14ca791562
157d057570
hex50217c12

1344371730 has 192 divisors, whose sum is σ = 3819602304. Its totient is φ = 299980800.

The previous prime is 1344371719. The next prime is 1344371731. The reversal of 1344371730 is 371734431.

It is a junction number, because it is equal to n+sod(n) for n = 1344371691 and 1344371700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344371731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6371325 + ... + 6371535.

It is an arithmetic number, because the mean of its divisors is an integer number (19893762).

Almost surely, 21344371730 is an apocalyptic number.

1344371730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1344371730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1909801152).

1344371730 is an abundant number, since it is smaller than the sum of its proper divisors (2475230574).

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

1344371730 is a wasteful number, since it uses less digits than its factorization.

1344371730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 1344371730 is about 36665.6750926531. The cubic root of 1344371730 is about 1103.6714047137.

The spelling of 1344371730 in words is "one billion, three hundred forty-four million, three hundred seventy-one thousand, seven hundred thirty".