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85527953 = 720995821
BaseRepresentation
bin1010001100100…
…00110110010001
312221221021021222
411012100312101
5133343343303
612253054425
72055655430
oct506206621
9187837258
1085527953
1144307465
1224787415
1314947574
14b505117
157796938
hex5190d91

85527953 has 8 divisors (see below), whose sum is σ = 97809600. Its totient is φ = 73262160.

The previous prime is 85527941. The next prime is 85527971. The reversal of 85527953 is 35972558.

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

It is a cyclic number.

It is not a de Polignac number, because 85527953 - 212 = 85523857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85527973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11783 + ... + 17603.

It is an arithmetic number, because the mean of its divisors is an integer number (12226200).

Almost surely, 285527953 is an apocalyptic number.

It is an amenable number.

85527953 is a deficient number, since it is larger than the sum of its proper divisors (12281647).

85527953 is a wasteful number, since it uses less digits than its factorization.

85527953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7927.

The product of its digits is 378000, while the sum is 44.

The square root of 85527953 is about 9248.1324060591. The cubic root of 85527953 is about 440.5914102993.

The spelling of 85527953 in words is "eighty-five million, five hundred twenty-seven thousand, nine hundred fifty-three".

Divisors: 1 7 2099 5821 14693 40747 12218279 85527953