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138350782 = 2370118691
BaseRepresentation
bin10000011111100…
…01000010111110
3100122022221121001
420033301002332
5240404211112
621421200514
73266651023
oct1017610276
9318287531
10138350782
1171105a99
123a40013a
132288078b
141453554a
15c22cc57
hex83f10be

138350782 has 8 divisors (see below), whose sum is σ = 207593352. Its totient is φ = 69153000.

The previous prime is 138350753. The next prime is 138350783. The reversal of 138350782 is 287053831.

138350782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138350783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1944 + ... + 16747.

It is an arithmetic number, because the mean of its divisors is an integer number (25949169).

Almost surely, 2138350782 is an apocalyptic number.

138350782 is a deficient number, since it is larger than the sum of its proper divisors (69242570).

138350782 is a wasteful number, since it uses less digits than its factorization.

138350782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22394.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 138350782 is about 11762.2609221187. The cubic root of 138350782 is about 517.2024094368.

The spelling of 138350782 in words is "one hundred thirty-eight million, three hundred fifty thousand, seven hundred eighty-two".

Divisors: 1 2 3701 7402 18691 37382 69175391 138350782