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253055605 = 5114601011
BaseRepresentation
bin11110001010101…
…01001001110101
3122122011120000211
433011111021311
51004240234410
641035505421
76161636305
oct1705251165
9578146024
10253055605
1111a930470
12708b8271
134057245a
1425873605
151733968a
hexf155275

253055605 has 8 divisors (see below), whose sum is σ = 331272864. Its totient is φ = 184040400.

The previous prime is 253055597. The next prime is 253055611. The reversal of 253055605 is 506550352.

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

It is not a de Polignac number, because 253055605 - 23 = 253055597 is a prime.

It is a Duffinian number.

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, 2300451 + ... + 2300560.

It is an arithmetic number, because the mean of its divisors is an integer number (41409108).

Almost surely, 2253055605 is an apocalyptic number.

It is an amenable number.

253055605 is a deficient number, since it is larger than the sum of its proper divisors (78217259).

253055605 is a wasteful number, since it uses less digits than its factorization.

253055605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4601027.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 253055605 is about 15907.7215527554. The cubic root of 253055605 is about 632.5166862757.

The spelling of 253055605 in words is "two hundred fifty-three million, fifty-five thousand, six hundred five".

Divisors: 1 5 11 55 4601011 23005055 50611121 253055605