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3752225 = 52150089
BaseRepresentation
bin1110010100000100100001
321001122002022
432110010201
51430032400
6212231225
743615301
oct16240441
97048068
103752225
112133114
12130b515
13a14b69
146d9601
154e1b85
hex394121

3752225 has 6 divisors (see below), whose sum is σ = 4652790. Its totient is φ = 3001760.

The previous prime is 3752219. The next prime is 3752237. The reversal of 3752225 is 5222573.

It can be written as a sum of positive squares in 3 ways, for example, as 256 + 3751969 = 16^2 + 1937^2 .

It is a de Polignac number, because none of the positive numbers 2k-3752225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3752194 and 3752203.

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, 75020 + ... + 75069.

It is an arithmetic number, because the mean of its divisors is an integer number (775465).

Almost surely, 23752225 is an apocalyptic number.

It is an amenable number.

3752225 is a deficient number, since it is larger than the sum of its proper divisors (900565).

3752225 is a wasteful number, since it uses less digits than its factorization.

3752225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150099 (or 150094 counting only the distinct ones).

The product of its digits is 4200, while the sum is 26.

The square root of 3752225 is about 1937.0660804423. The cubic root of 3752225 is about 155.3923462996.

Adding to 3752225 its reverse (5222573), we get a palindrome (8974798).

The spelling of 3752225 in words is "three million, seven hundred fifty-two thousand, two hundred twenty-five".

Divisors: 1 5 25 150089 750445 3752225