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139190410 = 2561228181
BaseRepresentation
bin10000100101111…
…10000010001010
3100200220121100101
420102332002022
5241113043120
621451200014
73310045642
oct1022760212
9320817311
10139190410
11716298a7
123a74600a
1322ab59b8
14146b3522
15c34690a
hex84be08a

139190410 has 16 divisors (see below), whose sum is σ = 254651112. Its totient is φ = 54763200.

The previous prime is 139190399. The next prime is 139190417. The reversal of 139190410 is 14091931.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 95511529 + 43678881 = 9773^2 + 6609^2 .

It is not an unprimeable number, because it can be changed into a prime (139190417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113481 + ... + 114700.

Almost surely, 2139190410 is an apocalyptic number.

139190410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139190410 is a deficient number, since it is larger than the sum of its proper divisors (115460702).

139190410 is a wasteful number, since it uses less digits than its factorization.

139190410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228249.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 139190410 is about 11797.8985416895. The cubic root of 139190410 is about 518.2465719371.

The spelling of 139190410 in words is "one hundred thirty-nine million, one hundred ninety thousand, four hundred ten".

Divisors: 1 2 5 10 61 122 305 610 228181 456362 1140905 2281810 13919041 27838082 69595205 139190410