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36028031 = 139728571
BaseRepresentation
bin1000100101101…
…1111001111111
32111210102011112
42021123321333
533210344111
63324112235
7615142664
oct211337177
974712145
1036028031
1119378436
121009567b
137605980
144adba6b
153269e8b
hex225be7f

36028031 has 8 divisors (see below), whose sum is σ = 39200784. Its totient is φ = 32912640.

The previous prime is 36028021. The next prime is 36028081. The reversal of 36028031 is 13082063.

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 36028031 - 26 = 36027967 is a prime.

It is a super-2 number, since 2×360280312 = 2596038035473922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36027988 and 36028006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36028021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13025 + ... + 15546.

It is an arithmetic number, because the mean of its divisors is an integer number (4900098).

Almost surely, 236028031 is an apocalyptic number.

36028031 is a deficient number, since it is larger than the sum of its proper divisors (3172753).

36028031 is a wasteful number, since it uses less digits than its factorization.

36028031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28681.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 36028031 is about 6002.3354621347. The cubic root of 36028031 is about 330.2784029547.

The spelling of 36028031 in words is "thirty-six million, twenty-eight thousand, thirty-one".

Divisors: 1 13 97 1261 28571 371423 2771387 36028031