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3681275 = 521347241
BaseRepresentation
bin1110000010101111111011
320221000202112
432002233323
51420300100
6210522535
743201403
oct16025773
96830675
103681275
112094884
12129644b
139bb790
146bb803
154cab35
hex382bfb

3681275 has 24 divisors (see below), whose sum is σ = 5041344. Its totient is φ = 2649600.

The previous prime is 3681253. The next prime is 3681277. The reversal of 3681275 is 5721863.

It is a happy number.

It is not a de Polignac number, because 3681275 - 216 = 3615739 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3681277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15155 + ... + 15395.

It is an arithmetic number, because the mean of its divisors is an integer number (210056).

Almost surely, 23681275 is an apocalyptic number.

3681275 is a deficient number, since it is larger than the sum of its proper divisors (1360069).

3681275 is a wasteful number, since it uses less digits than its factorization.

3681275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 306 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 3681275 is about 1918.6649003930. The cubic root of 3681275 is about 154.4066807628.

The spelling of 3681275 in words is "three million, six hundred eighty-one thousand, two hundred seventy-five".

Divisors: 1 5 13 25 47 65 235 241 325 611 1175 1205 3055 3133 6025 11327 15275 15665 56635 78325 147251 283175 736255 3681275