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3725130 = 235124171
BaseRepresentation
bin1110001101011101001010
321000020220210
432031131022
51423201010
6211501550
743443303
oct16153512
97006823
103725130
112114822
1212b78b6
13a05726
146cd7aa
154d8b20
hex38d74a

3725130 has 16 divisors (see below), whose sum is σ = 8940384. Its totient is φ = 993360.

The previous prime is 3725119. The next prime is 3725147. The reversal of 3725130 is 315273.

It is a happy number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3725097 and 3725106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62056 + ... + 62115.

It is an arithmetic number, because the mean of its divisors is an integer number (558774).

Almost surely, 23725130 is an apocalyptic number.

3725130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3725130 is an abundant number, since it is smaller than the sum of its proper divisors (5215254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3725130 is a wasteful number, since it uses less digits than its factorization.

3725130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124181.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 3725130 is about 1930.0595845725. The cubic root of 3725130 is about 155.0174104619.

The spelling of 3725130 in words is "three million, seven hundred twenty-five thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 124171 248342 372513 620855 745026 1241710 1862565 3725130