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2252445 = 351311551
BaseRepresentation
bin1000100101111010011101
311020102202220
420211322131
51034034240
6120135553
725100616
oct10457235
94212686
102252445
1112a9328
129075b9
1360b310
14428c0d
152e75d0
hex225e9d

2252445 has 16 divisors (see below), whose sum is σ = 3881472. Its totient is φ = 1108800.

The previous prime is 2252441. The next prime is 2252461. The reversal of 2252445 is 5442522.

It is a happy number.

It is not a de Polignac number, because 2252445 - 22 = 2252441 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5581 + ... + 5970.

It is an arithmetic number, because the mean of its divisors is an integer number (242592).

22252445 is an apocalyptic number.

It is an amenable number.

2252445 is a deficient number, since it is larger than the sum of its proper divisors (1629027).

2252445 is a wasteful number, since it uses less digits than its factorization.

2252445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11572.

The product of its digits is 3200, while the sum is 24.

The square root of 2252445 is about 1500.8147787119. The cubic root of 2252445 is about 131.0845170667.

Adding to 2252445 its reverse (5442522), we get a palindrome (7694967).

The spelling of 2252445 in words is "two million, two hundred fifty-two thousand, four hundred forty-five".

Divisors: 1 3 5 13 15 39 65 195 11551 34653 57755 150163 173265 450489 750815 2252445