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13975101 = 327221827
BaseRepresentation
bin110101010011…
…111000111101
3222022000020100
4311103320331
512034200401
61215311313
7226533510
oct65237075
928260210
1013975101
117985778
12481b539
132b83cba
141bdad77
151360b86
hexd53e3d

13975101 has 12 divisors (see below), whose sum is σ = 23070112. Its totient is φ = 7985736.

The previous prime is 13975097. The next prime is 13975103. The reversal of 13975101 is 10157931.

It is a happy number.

It is not a de Polignac number, because 13975101 - 22 = 13975097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13975103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110851 + ... + 110976.

Almost surely, 213975101 is an apocalyptic number.

It is an amenable number.

13975101 is a deficient number, since it is larger than the sum of its proper divisors (9095011).

13975101 is a wasteful number, since it uses less digits than its factorization.

13975101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221840 (or 221837 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The square root of 13975101 is about 3738.3286372388. The cubic root of 13975101 is about 240.8712603617.

The spelling of 13975101 in words is "thirteen million, nine hundred seventy-five thousand, one hundred one".

Divisors: 1 3 7 9 21 63 221827 665481 1552789 1996443 4658367 13975101