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290704 = 2418169
BaseRepresentation
bin1000110111110010000
3112202202211
41012332100
533300304
610121504
72320351
oct1067620
9482684
10290704
11189457
12120294
13a241b
1477d28
155b204
hex46f90

290704 has 10 divisors (see below), whose sum is σ = 563270. Its totient is φ = 145344.

The previous prime is 290701. The next prime is 290707. The reversal of 290704 is 407092.

290704 is nontrivially palindromic in base 3.

It is an interprime number because it is at equal distance from previous prime (290701) and next prime (290707).

It can be written as a sum of positive squares in only one way, i.e., 200704 + 90000 = 448^2 + 300^2 .

It is a pancake number, because a pancake can be divided into 290704 parts by 762 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (290701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9069 + ... + 9100.

It is an arithmetic number, because the mean of its divisors is an integer number (56327).

2290704 is an apocalyptic number.

It is an amenable number.

290704 is a deficient number, since it is larger than the sum of its proper divisors (272566).

290704 is a wasteful number, since it uses less digits than its factorization.

290704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18177 (or 18171 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 290704 is about 539.1697320881. The cubic root of 290704 is about 66.2445776979.

Adding to 290704 its reverse (407092), we get a palindrome (697796).

The spelling of 290704 in words is "two hundred ninety thousand, seven hundred four".

Divisors: 1 2 4 8 16 18169 36338 72676 145352 290704