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27953101 = 115347947
BaseRepresentation
bin110101010100…
…0011111001101
31221121011110001
41222220133031
524123444401
62435044301
7456411631
oct152503715
957534401
1027953101
1114862640
129440691
135a393c7
1439d8dc1
1526c2601
hex1aa87cd

27953101 has 8 divisors (see below), whose sum is σ = 31070304. Its totient is φ = 24931920.

The previous prime is 27953099. The next prime is 27953171. The reversal of 27953101 is 10135972.

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 27953101 - 21 = 27953099 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 27953101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27953171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23391 + ... + 24556.

It is an arithmetic number, because the mean of its divisors is an integer number (3883788).

Almost surely, 227953101 is an apocalyptic number.

It is an amenable number.

27953101 is a deficient number, since it is larger than the sum of its proper divisors (3117203).

27953101 is a wasteful number, since it uses less digits than its factorization.

27953101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48011.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 27953101 is about 5287.0692259512. The cubic root of 27953101 is about 303.4892631727.

The spelling of 27953101 in words is "twenty-seven million, nine hundred fifty-three thousand, one hundred one".

Divisors: 1 11 53 583 47947 527417 2541191 27953101