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69101 = 431607
BaseRepresentation
bin10000110111101101
310111210022
4100313231
54202401
61251525
7405314
oct206755
9114708
1069101
1147a0a
1233ba5
13255b6
141b27b
151571b
hex10ded

69101 has 4 divisors (see below), whose sum is σ = 70752. Its totient is φ = 67452.

The previous prime is 69073. The next prime is 69109. The reversal of 69101 is 10196.

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 a de Polignac number, because none of the positive numbers 2k-69101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69109) 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, 761 + ... + 846.

It is an arithmetic number, because the mean of its divisors is an integer number (17688).

269101 is an apocalyptic number.

It is an amenable number.

69101 is a deficient number, since it is larger than the sum of its proper divisors (1651).

69101 is a wasteful number, since it uses less digits than its factorization.

69101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 69101 is about 262.8706906447. The cubic root of 69101 is about 41.0356620119.

Adding to 69101 its reverse (10196), we get a palindrome (79297).

The spelling of 69101 in words is "sixty-nine thousand, one hundred one".

Divisors: 1 43 1607 69101