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85248733 = 741111503
BaseRepresentation
bin1010001010011…
…00101011011101
312221102002021111
411011030223131
5133310424413
612243102021
72053413403
oct505145335
9187362244
1085248733
11441366a9
1224671911
131487a44b
14b471473
15773dd3d
hex514cadd

85248733 has 4 divisors (see below), whose sum is σ = 85267648. Its totient is φ = 85229820.

The previous prime is 85248721. The next prime is 85248767. The reversal of 85248733 is 33784258.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85248733 - 25 = 85248701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85248773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1660 + ... + 13162.

It is an arithmetic number, because the mean of its divisors is an integer number (21316912).

Almost surely, 285248733 is an apocalyptic number.

It is an amenable number.

85248733 is a deficient number, since it is larger than the sum of its proper divisors (18915).

85248733 is a wasteful number, since it uses less digits than its factorization.

85248733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18914.

The product of its digits is 161280, while the sum is 40.

The square root of 85248733 is about 9233.0240441580. The cubic root of 85248733 is about 440.1114266695. Note that the first 3 decimals are identical.

The spelling of 85248733 in words is "eighty-five million, two hundred forty-eight thousand, seven hundred thirty-three".

Divisors: 1 7411 11503 85248733