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53798121 = 3313153271
BaseRepresentation
bin1100110100111…
…0010011101001
310202020020011000
43031032103221
5102233014441
65201025213
71222163556
oct315162351
9122206130
1053798121
1128405363
1216025209
13b1b8110
147205a2d
154aca2b6
hex334e4e9

53798121 has 16 divisors (see below), whose sum is σ = 85832320. Its totient is φ = 33106320.

The previous prime is 53798099. The next prime is 53798141. The reversal of 53798121 is 12189735.

It is not a de Polignac number, because 53798121 - 27 = 53797993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53798141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76285 + ... + 76986.

It is an arithmetic number, because the mean of its divisors is an integer number (5364520).

Almost surely, 253798121 is an apocalyptic number.

It is an amenable number.

53798121 is a deficient number, since it is larger than the sum of its proper divisors (32034199).

53798121 is a wasteful number, since it uses less digits than its factorization.

53798121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153293 (or 153287 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 53798121 is about 7334.7202400637. The cubic root of 53798121 is about 377.5047052905.

The spelling of 53798121 in words is "fifty-three million, seven hundred ninety-eight thousand, one hundred twenty-one".

Divisors: 1 3 9 13 27 39 117 351 153271 459813 1379439 1992523 4138317 5977569 17932707 53798121