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198151053 = 3107617293
BaseRepresentation
bin10111100111110…
…00101110001101
3111210212010010220
423303320232031
5401211313203
631355021553
74624153602
oct1363705615
9453763126
10198151053
11a193a901
125643a8b9
133208a859
141c4606a9
15125e1653
hexbcf8b8d

198151053 has 8 divisors (see below), whose sum is σ = 266671008. Its totient is φ = 130865904.

The previous prime is 198151043. The next prime is 198151061. The reversal of 198151053 is 350151891.

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

It is not a de Polignac number, because 198151053 - 226 = 131042189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198151043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308326 + ... + 308967.

It is an arithmetic number, because the mean of its divisors is an integer number (33333876).

Almost surely, 2198151053 is an apocalyptic number.

It is an amenable number.

198151053 is a deficient number, since it is larger than the sum of its proper divisors (68519955).

198151053 is a wasteful number, since it uses less digits than its factorization.

198151053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617403.

The product of its (nonzero) digits is 5400, while the sum is 33.

The square root of 198151053 is about 14076.6136907994. The cubic root of 198151053 is about 582.9958476344.

The spelling of 198151053 in words is "one hundred ninety-eight million, one hundred fifty-one thousand, fifty-three".

Divisors: 1 3 107 321 617293 1851879 66050351 198151053