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729941090 = 2572994109
BaseRepresentation
bin101011100000100…
…000010001100010
31212212111211221012
4223200200101202
52443331103330
6200233100522
724042253064
oct5340402142
91785454835
10729941090
1134503a5aa
12184557742
13b82c3608
146cd2d734
1544138c95
hex2b820462

729941090 has 8 divisors (see below), whose sum is σ = 1313893980. Its totient is φ = 291976432.

The previous prime is 729941083. The next prime is 729941099. The reversal of 729941090 is 90149927.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 729918289 + 22801 = 27017^2 + 151^2 .

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

It is not an unprimeable number, because it can be changed into a prime (729941099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36497045 + ... + 36497064.

Almost surely, 2729941090 is an apocalyptic number.

729941090 is a deficient number, since it is larger than the sum of its proper divisors (583952890).

729941090 is a wasteful number, since it uses less digits than its factorization.

729941090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72994116.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 729941090 is about 27017.4219717574. The cubic root of 729941090 is about 900.3871133041.

The spelling of 729941090 in words is "seven hundred twenty-nine million, nine hundred forty-one thousand, ninety".

Divisors: 1 2 5 10 72994109 145988218 364970545 729941090