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139245110 = 25191814049
BaseRepresentation
bin10000100110010…
…11011000110110
3100201000101101022
420103023120312
5241121320420
621452301142
73310364264
oct1023133066
9321011338
10139245110
1171666a04
123a7717b2
1322b04874
14146c9434
15c357c25
hex84cb636

139245110 has 32 divisors (see below), whose sum is σ = 265356000. Its totient is φ = 52462080.

The previous prime is 139245109. The next prime is 139245131. The reversal of 139245110 is 11542931.

It is a self number, because there is not a number n which added to its sum of digits gives 139245110.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 32366 + ... + 36414.

It is an arithmetic number, because the mean of its divisors is an integer number (8292375).

Almost surely, 2139245110 is an apocalyptic number.

139245110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139245110 is a deficient number, since it is larger than the sum of its proper divisors (126110890).

139245110 is a wasteful number, since it uses less digits than its factorization.

139245110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4256.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 139245110 is about 11800.2165234372. The cubic root of 139245110 is about 518.3144510743.

The spelling of 139245110 in words is "one hundred thirty-nine million, two hundred forty-five thousand, one hundred ten".

Divisors: 1 2 5 10 19 38 95 181 190 362 905 1810 3439 4049 6878 8098 17195 20245 34390 40490 76931 153862 384655 732869 769310 1465738 3664345 7328690 13924511 27849022 69622555 139245110