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3320725 = 52196991
BaseRepresentation
bin1100101010101110010101
320020201011211
430222232111
51322230400
6155101421
740140262
oct14525625
96221154
103320725
111968a01
121141871
138c3635
14626269
15458dba
hex32ab95

3320725 has 12 divisors (see below), whose sum is σ = 4335040. Its totient is φ = 2516400.

The previous prime is 3320699. The next prime is 3320749. The reversal of 3320725 is 5270233.

It is a happy number.

It is not a de Polignac number, because 3320725 - 215 = 3287957 is a prime.

It is a super-2 number, since 2×33207252 = 22054429051250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3320696 and 3320705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3021 + ... + 3970.

Almost surely, 23320725 is an apocalyptic number.

It is an amenable number.

3320725 is a deficient number, since it is larger than the sum of its proper divisors (1014315).

3320725 is a wasteful number, since it uses less digits than its factorization.

3320725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7020 (or 7015 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 3320725 is about 1822.2856526900. The cubic root of 3320725 is about 149.1915767657.

Adding to 3320725 its reverse (5270233), we get a palindrome (8590958).

The spelling of 3320725 in words is "three million, three hundred twenty thousand, seven hundred twenty-five".

Divisors: 1 5 19 25 95 475 6991 34955 132829 174775 664145 3320725