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3903225 = 35271733
BaseRepresentation
bin1110111000111011111001
321100022012220
432320323321
51444400400
6215354253
745114444
oct16707371
97308186
103903225
112226607
121382989
13a68801
1473865b
155217a0
hex3b8ef9

3903225 has 24 divisors (see below), whose sum is σ = 6553152. Its totient is φ = 2049600.

The previous prime is 3903223. The next prime is 3903233. The reversal of 3903225 is 5223093.

It is not a de Polignac number, because 3903225 - 21 = 3903223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3903195 and 3903204.

It is not an unprimeable number, because it can be changed into a prime (3903223) 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, 4959 + ... + 5691.

It is an arithmetic number, because the mean of its divisors is an integer number (273048).

Almost surely, 23903225 is an apocalyptic number.

It is an amenable number.

3903225 is a deficient number, since it is larger than the sum of its proper divisors (2649927).

3903225 is a wasteful number, since it uses less digits than its factorization.

3903225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 3903225 is about 1975.6581181976. The cubic root of 3903225 is about 157.4494672858.

The spelling of 3903225 in words is "three million, nine hundred three thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 71 75 213 355 733 1065 1775 2199 3665 5325 10995 18325 52043 54975 156129 260215 780645 1301075 3903225