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2030210431 = 17871913697
BaseRepresentation
bin111100100000010…
…1000110101111111
312020111012101010221
41321000220311333
513124213213211
6533242242211
7101211334564
oct17100506577
95214171127
102030210431
11952001167
12487ab6367
132647c4062
141538c086b
15bd37dc71
hex79028d7f

2030210431 has 8 divisors (see below), whose sum is σ = 2150038080. Its totient is φ = 1910427648.

The previous prime is 2030210419. The next prime is 2030210549. The reversal of 2030210431 is 1340120302.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2030210431 - 219 = 2029686143 is a prime.

It is a super-2 number, since 2×20302104312 = 8243508788282411522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2037210431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141375 + ... + 155071.

It is an arithmetic number, because the mean of its divisors is an integer number (268754760).

Almost surely, 22030210431 is an apocalyptic number.

2030210431 is a deficient number, since it is larger than the sum of its proper divisors (119827649).

2030210431 is a wasteful number, since it uses less digits than its factorization.

2030210431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22433.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2030210431 is about 45057.8564847464. The cubic root of 2030210431 is about 1266.2331668082.

Adding to 2030210431 its reverse (1340120302), we get a palindrome (3370330733).

The spelling of 2030210431 in words is "two billion, thirty million, two hundred ten thousand, four hundred thirty-one".

Divisors: 1 17 8719 13697 148223 232849 119424143 2030210431