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234210690 = 235573281
BaseRepresentation
bin11011111010111…
…00010110000010
3121022201010200000
431331130112002
5434424220230
635123540430
75542521000
oct1575342602
9538633600
10234210690
11110229a5a
126652a716
13396a4a0c
1423169a70
1515865b60
hexdf5c582

234210690 has 192 divisors, whose sum is σ = 739065600. Its totient is φ = 53343360.

The previous prime is 234210677. The next prime is 234210721. The reversal of 234210690 is 96012432.

It is a super-2 number, since 2×2342106902 = 109709294620552200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 833350 + ... + 833630.

It is an arithmetic number, because the mean of its divisors is an integer number (3849300).

Almost surely, 2234210690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234210690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369532800).

234210690 is an abundant number, since it is smaller than the sum of its proper divisors (504854910).

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

234210690 is an equidigital number, since it uses as much as digits as its factorization.

234210690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 234210690 is about 15303.9436094100. The cubic root of 234210690 is about 616.4089055026.

The spelling of 234210690 in words is "two hundred thirty-four million, two hundred ten thousand, six hundred ninety".