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2249430 = 23597773
BaseRepresentation
bin1000100101001011010110
311020021122020
420211023112
51033440210
6120114010
725056051
oct10451326
94207566
102249430
1112a7037
12905906
13609b31
14427a98
152e6770
hex2252d6

2249430 has 32 divisors (see below), whose sum is σ = 5461344. Its totient is φ = 592896.

The previous prime is 2249419. The next prime is 2249431. The reversal of 2249430 is 349422.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2249430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249431) 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, 2524 + ... + 3296.

It is an arithmetic number, because the mean of its divisors is an integer number (170667).

22249430 is an apocalyptic number.

2249430 is an abundant number, since it is smaller than the sum of its proper divisors (3211914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2249430 is a wasteful number, since it uses less digits than its factorization.

2249430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2249430 is about 1499.8099879651. The cubic root of 2249430 is about 131.0260034234.

The spelling of 2249430 in words is "two million, two hundred forty-nine thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 97 194 291 485 582 773 970 1455 1546 2319 2910 3865 4638 7730 11595 23190 74981 149962 224943 374905 449886 749810 1124715 2249430