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290424 = 23312101
BaseRepresentation
bin1000110111001111000
3112202101110
41012321320
533243144
610120320
72316501
oct1067170
9482343
10290424
11189222
121200a0
13a2264
1477ba8
155b0b9
hex46e78

290424 has 16 divisors (see below), whose sum is σ = 726120. Its totient is φ = 96800.

The previous prime is 290419. The next prime is 290429. The reversal of 290424 is 424092.

It is an interprime number because it is at equal distance from previous prime (290419) and next prime (290429).

It is a self number, because there is not a number n which added to its sum of digits gives 290424.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 290424.

It is not an unprimeable number, because it can be changed into a prime (290429) by changing a digit.

290424 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6027 + ... + 6074.

2290424 is an apocalyptic number.

290424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

290424 is an abundant number, since it is smaller than the sum of its proper divisors (435696).

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

290424 is a wasteful number, since it uses less digits than its factorization.

290424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12110 (or 12106 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 290424 is about 538.9100110408. The cubic root of 290424 is about 66.2233024029.

It can be divided in two parts, 2904 and 24, that multiplied together give a palindrome (69696).

The spelling of 290424 in words is "two hundred ninety thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 12101 24202 36303 48404 72606 96808 145212 290424