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53084165 = 515236971
BaseRepresentation
bin1100101010000…
…0000000000101
310200212221210012
43022200000011
5102042143130
65133440005
71213131221
oct312400005
9120787705
1053084165
1127a67a12
1215940005
13acc8164
14709b781
1549d8995
hex32a0005

53084165 has 8 divisors (see below), whose sum is σ = 63751968. Its totient is φ = 42433360.

The previous prime is 53084147. The next prime is 53084179. The reversal of 53084165 is 56148035.

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 53084165 - 28 = 53083909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4130 + ... + 11100.

It is an arithmetic number, because the mean of its divisors is an integer number (7968996).

Almost surely, 253084165 is an apocalyptic number.

It is an amenable number.

53084165 is a deficient number, since it is larger than the sum of its proper divisors (10667803).

53084165 is a wasteful number, since it uses less digits than its factorization.

53084165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8499.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 53084165 is about 7285.8880721570. Note that the first 3 decimals coincide. The cubic root of 53084165 is about 375.8273053519.

The spelling of 53084165 in words is "fifty-three million, eighty-four thousand, one hundred sixty-five".

Divisors: 1 5 1523 6971 7615 34855 10616833 53084165