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139060205 = 5199139759
BaseRepresentation
bin10000100100111…
…10001111101101
3100200122222201222
420102132033231
5241044411310
621444313125
73305664224
oct1022361755
9320588658
10139060205
117154aa99
123a6a27a5
1322a6b65b
141467bcbb
15c31d055
hex849e3ed

139060205 has 8 divisors (see below), whose sum is σ = 167712000. Its totient is φ = 110688336.

The previous prime is 139060199. The next prime is 139060211. The reversal of 139060205 is 502060931.

It is an interprime number because it is at equal distance from previous prime (139060199) and next prime (139060211).

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

It is a cyclic number.

It is not a de Polignac number, because 139060205 - 218 = 138798061 is a prime.

It is a super-2 number, since 2×1390602052 = 38675481229284050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68885 + ... + 70874.

It is an arithmetic number, because the mean of its divisors is an integer number (20964000).

Almost surely, 2139060205 is an apocalyptic number.

It is an amenable number.

139060205 is a deficient number, since it is larger than the sum of its proper divisors (28651795).

139060205 is a wasteful number, since it uses less digits than its factorization.

139060205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139963.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 139060205 is about 11792.3791068639. The cubic root of 139060205 is about 518.0849244343.

The spelling of 139060205 in words is "one hundred thirty-nine million, sixty thousand, two hundred five".

Divisors: 1 5 199 995 139759 698795 27812041 139060205