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138073364 = 2211131991213
BaseRepresentation
bin10000011101011…
…01010100010100
3100121210212001022
420032231110110
5240321321424
621411220312
73264414152
oct1016552424
9317725038
10138073364
1170a36620
123a2a7698
13227b4420
14144a23d2
15c1c595e
hex83ad514

138073364 has 48 divisors (see below), whose sum is σ = 285532800. Its totient is φ = 57594240.

The previous prime is 138073339. The next prime is 138073367. The reversal of 138073364 is 463370831.

It is a happy number.

138073364 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138073367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113222 + ... + 114434.

It is an arithmetic number, because the mean of its divisors is an integer number (5948600).

Almost surely, 2138073364 is an apocalyptic number.

It is an amenable number.

138073364 is an abundant number, since it is smaller than the sum of its proper divisors (147459436).

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

138073364 is a wasteful number, since it uses less digits than its factorization.

138073364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440 (or 1438 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 138073364 is about 11750.4622887783. The cubic root of 138073364 is about 516.8564837525.

It can be divided in two parts, 13807 and 3364, that added together give a palindrome (17171).

The spelling of 138073364 in words is "one hundred thirty-eight million, seventy-three thousand, three hundred sixty-four".

Divisors: 1 2 4 11 13 22 26 44 52 143 199 286 398 572 796 1213 2189 2426 2587 4378 4852 5174 8756 10348 13343 15769 26686 28457 31538 53372 56914 63076 113828 173459 241387 346918 482774 693836 965548 2655257 3138031 5310514 6276062 10621028 12552124 34518341 69036682 138073364