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85132633 = 347245339
BaseRepresentation
bin1010001001100…
…00010101011001
312221012012000111
411010300111121
5133243221013
612240404321
72052421045
oct504602531
9187165014
1085132633
1144067453
12246166a1
1314839651
14b441025
15771973d
hex5130559

85132633 has 4 divisors (see below), whose sum is σ = 85378320. Its totient is φ = 84886948.

The previous prime is 85132601. The next prime is 85132643. The reversal of 85132633 is 33623158.

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 85132633 - 25 = 85132601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85132595 and 85132604.

It is not an unprimeable number, because it can be changed into a prime (85132643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122323 + ... + 123016.

It is an arithmetic number, because the mean of its divisors is an integer number (21344580).

Almost surely, 285132633 is an apocalyptic number.

It is an amenable number.

85132633 is a deficient number, since it is larger than the sum of its proper divisors (245687).

85132633 is a wasteful number, since it uses less digits than its factorization.

85132633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245686.

The product of its digits is 12960, while the sum is 31.

The square root of 85132633 is about 9226.7346878514. The cubic root of 85132633 is about 439.9115404125.

The spelling of 85132633 in words is "eighty-five million, one hundred thirty-two thousand, six hundred thirty-three".

Divisors: 1 347 245339 85132633