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290734 = 2172503
BaseRepresentation
bin1000110111110101110
3112202210221
41012332232
533300414
610121554
72320423
oct1067656
9482727
10290734
11189484
121202ba
13a2442
1477d4a
155b224
hex46fae

290734 has 12 divisors (see below), whose sum is σ = 464184. Its totient is φ = 136544.

The previous prime is 290711. The next prime is 290737. The reversal of 290734 is 437092.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 290699 and 290708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290737) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 327 + ... + 829.

It is an arithmetic number, because the mean of its divisors is an integer number (38682).

2290734 is an apocalyptic number.

290734 is a deficient number, since it is larger than the sum of its proper divisors (173450).

290734 is a wasteful number, since it uses less digits than its factorization.

290734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 290734 is about 539.1975519232. The cubic root of 290734 is about 66.2468563834.

It can be divided in two parts, 290 and 734, that added together give a 10-th power (1024 = 210).

The spelling of 290734 in words is "two hundred ninety thousand, seven hundred thirty-four".

Divisors: 1 2 17 34 289 503 578 1006 8551 17102 145367 290734