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85740344 = 2319953857
BaseRepresentation
bin1010001110001…
…00101100111000
312222100001122022
411013010230320
5133422142334
612301414012
72060531564
oct507045470
9188301568
1085740344
1144441a98
122486a308
13149c0141
14b55c6a4
1577d982e
hex51c4b38

85740344 has 16 divisors (see below), whose sum is σ = 161574000. Its totient is φ = 42653952.

The previous prime is 85740341. The next prime is 85740349. The reversal of 85740344 is 44304758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85740341) 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, 25337 + ... + 28520.

It is an arithmetic number, because the mean of its divisors is an integer number (10098375).

Almost surely, 285740344 is an apocalyptic number.

It is an amenable number.

85740344 is a deficient number, since it is larger than the sum of its proper divisors (75833656).

85740344 is a wasteful number, since it uses less digits than its factorization.

85740344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54062 (or 54058 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 85740344 is about 9259.6081990546. The cubic root of 85740344 is about 440.9558147362.

The spelling of 85740344 in words is "eighty-five million, seven hundred forty thousand, three hundred forty-four".

Divisors: 1 2 4 8 199 398 796 1592 53857 107714 215428 430856 10717543 21435086 42870172 85740344