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1350209838 = 231201187373
BaseRepresentation
bin101000001111010…
…1001000100101110
310111002122202200210
41100132221010232
510231123203323
6341551403250
745313410555
oct12036510456
93432582623
101350209838
116331816aa
12318223526
13186967a43
14cb470d9c
157d80c293
hex507a912e

1350209838 has 16 divisors (see below), whose sum is σ = 2702682576. Its totient is φ = 449692800.

The previous prime is 1350209831. The next prime is 1350209857. The reversal of 1350209838 is 8389020531.

It is a junction number, because it is equal to n+sod(n) for n = 1350209796 and 1350209805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350209831) 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, 86481 + ... + 100892.

It is an arithmetic number, because the mean of its divisors is an integer number (168917661).

Almost surely, 21350209838 is an apocalyptic number.

1350209838 is an abundant number, since it is smaller than the sum of its proper divisors (1352472738).

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

1350209838 is a wasteful number, since it uses less digits than its factorization.

1350209838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188579.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1350209838 is about 36745.2015642859. The cubic root of 1350209838 is about 1105.2667095737.

The spelling of 1350209838 in words is "one billion, three hundred fifty million, two hundred nine thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 1201 2402 3603 7206 187373 374746 562119 1124238 225034973 450069946 675104919 1350209838