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85184037 = 329464893
BaseRepresentation
bin1010001001111…
…00111000100101
312221021210112100
411010330320211
5133301342122
612241442313
72053023651
oct504747045
9187253470
1085184037
11440a2034
1224640399
1314856b73
14b455a61
157729aac
hex513ce25

85184037 has 6 divisors (see below), whose sum is σ = 123043622. Its totient is φ = 56789352.

The previous prime is 85184017. The next prime is 85184039. The reversal of 85184037 is 73048158.

It can be written as a sum of positive squares in only one way, i.e., 50680161 + 34503876 = 7119^2 + 5874^2 .

It is not a de Polignac number, because 85184037 - 27 = 85183909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85183992 and 85184010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85184039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4732438 + ... + 4732455.

Almost surely, 285184037 is an apocalyptic number.

It is an amenable number.

85184037 is a deficient number, since it is larger than the sum of its proper divisors (37859585).

85184037 is a wasteful number, since it uses less digits than its factorization.

85184037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9464899 (or 9464896 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 85184037 is about 9229.5198683355. The cubic root of 85184037 is about 440.0000637052. Note that the first 4 decimals are identical.

The spelling of 85184037 in words is "eighty-five million, one hundred eighty-four thousand, thirty-seven".

Divisors: 1 3 9 9464893 28394679 85184037