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3725105 = 55314057
BaseRepresentation
bin1110001101011100110001
321000020212212
432031130301
51423200410
6211501505
743443236
oct16153461
97006785
103725105
1121147aa
1212b7895
13a05707
146cd78d
154d8b05
hex38d731

3725105 has 8 divisors (see below), whose sum is σ = 4554792. Its totient is φ = 2923648.

The previous prime is 3725101. The next prime is 3725107. The reversal of 3725105 is 5015273.

It can be written as a sum of positive squares in 4 ways, for example, as 65536 + 3659569 = 256^2 + 1913^2 .

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 3725105 - 22 = 3725101 is a prime.

It is a super-2 number, since 2×37251052 = 27752814522050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3725101) 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, 6764 + ... + 7293.

It is an arithmetic number, because the mean of its divisors is an integer number (569349).

Almost surely, 23725105 is an apocalyptic number.

It is an amenable number.

3725105 is a deficient number, since it is larger than the sum of its proper divisors (829687).

3725105 is a wasteful number, since it uses less digits than its factorization.

3725105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14115.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 3725105 is about 1930.0531080776. The cubic root of 3725105 is about 155.0170636781.

The spelling of 3725105 in words is "three million, seven hundred twenty-five thousand, one hundred five".

Divisors: 1 5 53 265 14057 70285 745021 3725105