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85672741 = 7111765449
BaseRepresentation
bin1010001101101…
…00001100100101
312222012121220111
411012310030211
5133413011431
612300133021
72060130520
oct506641445
9188177814
1085672741
11443a6220
1224837171
131499843b
14b541bb7
1577c47b1
hex51b4325

85672741 has 16 divisors (see below), whose sum is σ = 113097600. Its totient is φ = 62830080.

The previous prime is 85672733. The next prime is 85672759. The reversal of 85672741 is 14727658.

It is a cyclic number.

It is not a de Polignac number, because 85672741 - 23 = 85672733 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 85672694 and 85672703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85672711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31416 + ... + 34033.

It is an arithmetic number, because the mean of its divisors is an integer number (7068600).

Almost surely, 285672741 is an apocalyptic number.

It is an amenable number.

85672741 is a deficient number, since it is larger than the sum of its proper divisors (27424859).

85672741 is a wasteful number, since it uses less digits than its factorization.

85672741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65484.

The product of its digits is 94080, while the sum is 40.

The square root of 85672741 is about 9255.9570547837. The cubic root of 85672741 is about 440.8398919681.

The spelling of 85672741 in words is "eighty-five million, six hundred seventy-two thousand, seven hundred forty-one".

Divisors: 1 7 11 17 77 119 187 1309 65449 458143 719939 1112633 5039573 7788431 12238963 85672741