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3742925 = 52149717
BaseRepresentation
bin1110010001110011001101
321001011022212
432101303031
51424233200
6212120205
743546214
oct16216315
97034285
103742925
11212712a
121306065
13a10864
146d607b
154de035
hex391ccd

3742925 has 6 divisors (see below), whose sum is σ = 4641258. Its totient is φ = 2994320.

The previous prime is 3742919. The next prime is 3742933. The reversal of 3742925 is 5292473.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 48841 + 3694084 = 221^2 + 1922^2 .

It is not a de Polignac number, because 3742925 - 26 = 3742861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3742891 and 3742900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74834 + ... + 74883.

It is an arithmetic number, because the mean of its divisors is an integer number (773543).

Almost surely, 23742925 is an apocalyptic number.

It is an amenable number.

3742925 is a deficient number, since it is larger than the sum of its proper divisors (898333).

3742925 is a wasteful number, since it uses less digits than its factorization.

3742925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149727 (or 149722 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 3742925 is about 1934.6640535245. The cubic root of 3742925 is about 155.2638585876.

The spelling of 3742925 in words is "three million, seven hundred forty-two thousand, nine hundred twenty-five".

Divisors: 1 5 25 149717 748585 3742925