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53000245 = 515170199
BaseRepresentation
bin1100101000101…
…1100000110101
310200201200200001
43022023200311
5102032001440
65131551301
71212331444
oct312134065
9120650601
1053000245
1127a0a961
12158bb531
13ac98bbc
147078d5b
1549bdb9a
hex328b835

53000245 has 8 divisors (see below), whose sum is σ = 64022400. Its totient is φ = 42118800.

The previous prime is 53000201. The next prime is 53000251. The reversal of 53000245 is 54200035.

It is a happy number.

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

It is not a de Polignac number, because 53000245 - 215 = 52967477 is a prime.

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, 34345 + ... + 35854.

It is an arithmetic number, because the mean of its divisors is an integer number (8002800).

Almost surely, 253000245 is an apocalyptic number.

It is an amenable number.

53000245 is a deficient number, since it is larger than the sum of its proper divisors (11022155).

53000245 is a wasteful number, since it uses less digits than its factorization.

53000245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70355.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 53000245 is about 7280.1267159302. The cubic root of 53000245 is about 375.6291542200.

The spelling of 53000245 in words is "fifty-three million, two hundred forty-five", and thus it is an aban number.

Divisors: 1 5 151 755 70199 350995 10600049 53000245