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3742425 = 325216633
BaseRepresentation
bin1110010001101011011001
321001010122100
432101223121
51424224200
6212114013
743544601
oct16215331
97033570
103742425
112126815
121305909
13a1056b
146d5c01
154ddd00
hex391ad9

3742425 has 18 divisors (see below), whose sum is σ = 6703502. Its totient is φ = 1995840.

The previous prime is 3742391. The next prime is 3742451. The reversal of 3742425 is 5242473.

It can be written as a sum of positive squares in 3 ways, for example, as 9801 + 3732624 = 99^2 + 1932^2 .

It is not a de Polignac number, because 3742425 - 210 = 3741401 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8092 + ... + 8541.

Almost surely, 23742425 is an apocalyptic number.

It is an amenable number.

3742425 is a deficient number, since it is larger than the sum of its proper divisors (2961077).

3742425 is a wasteful number, since it uses less digits than its factorization.

3742425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16649 (or 16641 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 3742425 is about 1934.5348278074. The cubic root of 3742425 is about 155.2569446200.

Adding to 3742425 its reverse (5242473), we get a palindrome (8984898).

The spelling of 3742425 in words is "three million, seven hundred forty-two thousand, four hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 16633 49899 83165 149697 249495 415825 748485 1247475 3742425