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193115055 = 3575713221
BaseRepresentation
bin10111000001010…
…11001110101111
3111110101021001110
423200223032233
5343414140210
631055043103
74533310440
oct1340531657
9443337043
10193115055
119a010221
1254810493
1331016583
141b90d2c7
1511e49420
hexb82b3af

193115055 has 32 divisors (see below), whose sum is σ = 353852928. Its totient is φ = 88099200.

The previous prime is 193115051. The next prime is 193115059. The reversal of 193115055 is 550511391.

It is an interprime number because it is at equal distance from previous prime (193115051) and next prime (193115059).

It is not a de Polignac number, because 193115055 - 22 = 193115051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193115051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58345 + ... + 61565.

It is an arithmetic number, because the mean of its divisors is an integer number (11057904).

Almost surely, 2193115055 is an apocalyptic number.

193115055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

193115055 is a deficient number, since it is larger than the sum of its proper divisors (160737873).

193115055 is a wasteful number, since it uses less digits than its factorization.

193115055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807.

The product of its (nonzero) digits is 3375, while the sum is 30.

The square root of 193115055 is about 13896.5842925519. The cubic root of 193115055 is about 578.0144700504.

The spelling of 193115055 in words is "one hundred ninety-three million, one hundred fifteen thousand, fifty-five".

Divisors: 1 3 5 7 15 21 35 105 571 1713 2855 3221 3997 8565 9663 11991 16105 19985 22547 48315 59955 67641 112735 338205 1839191 5517573 9195955 12874337 27587865 38623011 64371685 193115055