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290630200 = 23527207593
BaseRepresentation
bin10001010100101…
…010101000111000
3202020212112200111
4101110222220320
51043400131300
644501114104
710126213240
oct2124525070
9666775614
10290630200
1113a064853
12813b8934
134829a043
142a854b20
151a7ac9ba
hex1152aa38

290630200 has 48 divisors (see below), whose sum is σ = 772249680. Its totient is φ = 99644160.

The previous prime is 290630189. The next prime is 290630201. The reversal of 290630200 is 2036092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290630201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102397 + ... + 105196.

It is an arithmetic number, because the mean of its divisors is an integer number (16088535).

Almost surely, 2290630200 is an apocalyptic number.

290630200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

290630200 is an abundant number, since it is smaller than the sum of its proper divisors (481619480).

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

290630200 is a wasteful number, since it uses less digits than its factorization.

290630200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207616 (or 207607 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 290630200 is about 17047.8796335497. The cubic root of 290630200 is about 662.3897146431.

Adding to 290630200 its reverse (2036092), we get a palindrome (292666292).

The spelling of 290630200 in words is "two hundred ninety million, six hundred thirty thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 140 175 200 280 350 700 1400 207593 415186 830372 1037965 1453151 1660744 2075930 2906302 4151860 5189825 5812604 7265755 8303720 10379650 11625208 14531510 20759300 29063020 36328775 41518600 58126040 72657550 145315100 290630200