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290907030 = 2359696901
BaseRepresentation
bin10001010101101…
…110001110010110
3202021101121102110
4101111232032112
51043433011110
644511051450
710131445311
oct2125561626
9667347373
10290907030
1113a233837
1281510b86
134836604b
142a8c7978
151a814a20
hex1156e396

290907030 has 16 divisors (see below), whose sum is σ = 698176944. Its totient is φ = 77575200.

The previous prime is 290906989. The next prime is 290907047. The reversal of 290907030 is 30709092.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 9696901 = 290907030 / (2 + 9 + 0 + 9 + 0 + 7 + 0 + 3 + 0).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4848421 + ... + 4848480.

It is an arithmetic number, because the mean of its divisors is an integer number (43636059).

Almost surely, 2290907030 is an apocalyptic number.

290907030 is an abundant number, since it is smaller than the sum of its proper divisors (407269914).

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

290907030 is a wasteful number, since it uses less digits than its factorization.

290907030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9696911.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 290907030 is about 17055.9968925888. The cubic root of 290907030 is about 662.5999602343.

The spelling of 290907030 in words is "two hundred ninety million, nine hundred seven thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 9696901 19393802 29090703 48484505 58181406 96969010 145453515 290907030