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139362806 = 21129218437
BaseRepresentation
bin10000100111010…
…00000111110110
3100201020100211102
420103220013312
5241134102211
621455010102
73311364362
oct1023500766
9321210742
10139362806
1171737380
123a809932
1322b462cb
141471a2a2
15c37ca3b
hex84e81f6

139362806 has 16 divisors (see below), whose sum is σ = 235913040. Its totient is φ = 61162080.

The previous prime is 139362799. The next prime is 139362809. The reversal of 139362806 is 608263931.

It is a self number, because there is not a number n which added to its sum of digits gives 139362806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139362809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108581 + ... + 109856.

It is an arithmetic number, because the mean of its divisors is an integer number (14744565).

Almost surely, 2139362806 is an apocalyptic number.

139362806 is a deficient number, since it is larger than the sum of its proper divisors (96550234).

139362806 is a wasteful number, since it uses less digits than its factorization.

139362806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218479.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 139362806 is about 11805.2024972044. The cubic root of 139362806 is about 518.4604438925.

The spelling of 139362806 in words is "one hundred thirty-nine million, three hundred sixty-two thousand, eight hundred six".

Divisors: 1 2 11 22 29 58 319 638 218437 436874 2402807 4805614 6334673 12669346 69681403 139362806