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2245431 = 33372221
BaseRepresentation
bin1000100100001100110111
311020002011010
420210030313
51033323211
6120043303
725041306
oct10441467
94202133
102245431
1112a4031
12903533
13608076
1442643d
152e54a6
hex224337

2245431 has 8 divisors (see below), whose sum is σ = 3004144. Its totient is φ = 1491840.

The previous prime is 2245429. The next prime is 2245457. The reversal of 2245431 is 1345422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2245431 - 21 = 2245429 is a prime.

It is a super-2 number, since 2×22454312 = 10083920751522, which contains 22 as substring.

It is a d-powerful number, because it can be written as 29 + 221 + 46 + 57 + 48 + 32 + 1 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2245398 and 2245407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100 + ... + 2121.

It is an arithmetic number, because the mean of its divisors is an integer number (375518).

22245431 is an apocalyptic number.

2245431 is a deficient number, since it is larger than the sum of its proper divisors (758713).

2245431 is a wasteful number, since it uses less digits than its factorization.

2245431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561.

The product of its digits is 960, while the sum is 21.

The square root of 2245431 is about 1498.4762260376. The cubic root of 2245431 is about 130.9483120677.

Subtracting from 2245431 its reverse (1345422), we obtain a palindrome (900009).

The spelling of 2245431 in words is "two million, two hundred forty-five thousand, four hundred thirty-one".

Divisors: 1 3 337 1011 2221 6663 748477 2245431