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290229023 = 7211196499
BaseRepresentation
bin10001010011001…
…000101100011111
3202020010011101002
4101103020230133
51043244312043
644444340515
710122622520
oct2123105437
9666104332
10290229023
111399103a7
128124473b
1348189566
142a78c847
151a72dbb8
hex114c8b1f

290229023 has 8 divisors (see below), whose sum is σ = 333264000. Its totient is φ = 247587480.

The previous prime is 290229011. The next prime is 290229031. The reversal of 290229023 is 320922092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-290229023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290229053) 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, 96773 + ... + 99726.

It is an arithmetic number, because the mean of its divisors is an integer number (41658000).

Almost surely, 2290229023 is an apocalyptic number.

290229023 is a deficient number, since it is larger than the sum of its proper divisors (43034977).

290229023 is a wasteful number, since it uses less digits than its factorization.

290229023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196717.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 290229023 is about 17036.1093856549. The cubic root of 290229023 is about 662.0847934942.

The spelling of 290229023 in words is "two hundred ninety million, two hundred twenty-nine thousand, twenty-three".

Divisors: 1 7 211 1477 196499 1375493 41461289 290229023