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290412 = 22332689
BaseRepresentation
bin1000110111001101100
3112202101000
41012321230
533243122
610120300
72316453
oct1067154
9482330
10290412
11189211
12120090
13a2255
1477b9a
155b0ac
hex46e6c

290412 has 24 divisors (see below), whose sum is σ = 753200. Its totient is φ = 96768.

The previous prime is 290399. The next prime is 290419. The reversal of 290412 is 214092.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (290419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1237 + ... + 1452.

2290412 is an apocalyptic number.

It is an amenable number.

290412 is an abundant number, since it is smaller than the sum of its proper divisors (462788).

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

290412 is a wasteful number, since it uses less digits than its factorization.

290412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702 (or 2694 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 290412 is about 538.8988773416. The cubic root of 290412 is about 66.2223902990. Note that the first 3 decimals are identical.

It can be divided in two parts, 2904 and 12, that added together give a square (2916 = 542).

The spelling of 290412 in words is "two hundred ninety thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 2689 5378 8067 10756 16134 24201 32268 48402 72603 96804 145206 290412