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290075 = 5241283
BaseRepresentation
bin1000110110100011011
3112201220112
41012310123
533240300
610114535
72315462
oct1066433
9481815
10290075
11188a35
1211ba4b
13a2056
14779d9
155ae35
hex46d1b

290075 has 12 divisors (see below), whose sum is σ = 369768. Its totient is φ = 225600.

The previous prime is 290057. The next prime is 290083. The reversal of 290075 is 570092.

It is not a de Polignac number, because 290075 - 26 = 290011 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 290075.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 884 + ... + 1166.

It is an arithmetic number, because the mean of its divisors is an integer number (30814).

2290075 is an apocalyptic number.

290075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

290075 is a deficient number, since it is larger than the sum of its proper divisors (79693).

290075 is a wasteful number, since it uses less digits than its factorization.

290075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 290075 is about 538.5861119635. The cubic root of 290075 is about 66.1967651142.

The spelling of 290075 in words is "two hundred ninety thousand, seventy-five".

Divisors: 1 5 25 41 205 283 1025 1415 7075 11603 58015 290075