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138803348 = 2234700837
BaseRepresentation
bin10000100010111…
…11100010010100
3100200011221101202
420101133202110
5241013201343
621435012032
73303544325
oct1021374224
9320157352
10138803348
1171395012
123a59a018
13229ab778
141461244c
15c2bbdb8
hex845f894

138803348 has 6 divisors (see below), whose sum is σ = 242905866. Its totient is φ = 69401672.

The previous prime is 138803347. The next prime is 138803359. The reversal of 138803348 is 843308831.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 111471364 + 27331984 = 10558^2 + 5228^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138803347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17350415 + ... + 17350422.

It is an arithmetic number, because the mean of its divisors is an integer number (40484311).

Almost surely, 2138803348 is an apocalyptic number.

It is an amenable number.

138803348 is a deficient number, since it is larger than the sum of its proper divisors (104102518).

138803348 is a wasteful number, since it uses less digits than its factorization.

138803348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34700841 (or 34700839 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 138803348 is about 11781.4832682477. The cubic root of 138803348 is about 517.7657443190.

The spelling of 138803348 in words is "one hundred thirty-eight million, eight hundred three thousand, three hundred forty-eight".

Divisors: 1 2 4 34700837 69401674 138803348